Home / 15,515.48-23,259.78-6,275.48

Finding the Fourth Proportional to 15,515.48, 23,259.78 and 6,275.48

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Solution

The fourth proportional to 15,515.48, 23,259.78 and 6,275.48 is: 9,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.48 : 23,259.78 = 6,275.48 : x
  2. Step 2: Convert to fraction form
    15,515.48/23,259.78 = 6,275.48/x
  3. Step 3: Cross multiply
    15,515.48x = 23,259.78 × 6,275.48
  4. Step 4: Simplify right side
    15,515.48x = 145,966,284.19
  5. Step 5: Solve for x
    x = 145,966,284.19/15,515.48
  6. Step 6: Final answer
    x = 9,407.78

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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.