Home / 15,480.55-23,220.81-6,240.07

Finding the Fourth Proportional to 15,480.55, 23,220.81 and 6,240.07

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Solution

The fourth proportional to 15,480.55, 23,220.81 and 6,240.07 is: 9,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480.55 : 23,220.81 = 6,240.07 : x
  2. Step 2: Convert to fraction form
    15,480.55/23,220.81 = 6,240.07/x
  3. Step 3: Cross multiply
    15,480.55x = 23,220.81 × 6,240.07
  4. Step 4: Simplify right side
    15,480.55x = 144,899,479.86
  5. Step 5: Solve for x
    x = 144,899,479.86/15,480.55
  6. Step 6: Final answer
    x = 9,360.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.