Home / 15,852.47-23,780.52-9,278.71

Finding the Fourth Proportional to 15,852.47, 23,780.52 and 9,278.71

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Solution

The fourth proportional to 15,852.47, 23,780.52 and 9,278.71 is: 13,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,852.47 : 23,780.52 = 9,278.71 : x
  2. Step 2: Convert to fraction form
    15,852.47/23,780.52 = 9,278.71/x
  3. Step 3: Cross multiply
    15,852.47x = 23,780.52 × 9,278.71
  4. Step 4: Simplify right side
    15,852.47x = 220,652,489.28
  5. Step 5: Solve for x
    x = 220,652,489.28/15,852.47
  6. Step 6: Final answer
    x = 13,919.13

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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.