Home / 15,264.55-21,064.45-8,550.07

Finding the Fourth Proportional to 15,264.55, 21,064.45 and 8,550.07

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Solution

The fourth proportional to 15,264.55, 21,064.45 and 8,550.07 is: 11,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.55 : 21,064.45 = 8,550.07 : x
  2. Step 2: Convert to fraction form
    15,264.55/21,064.45 = 8,550.07/x
  3. Step 3: Cross multiply
    15,264.55x = 21,064.45 × 8,550.07
  4. Step 4: Simplify right side
    15,264.55x = 180,102,522.01
  5. Step 5: Solve for x
    x = 180,102,522.01/15,264.55
  6. Step 6: Final answer
    x = 11,798.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.