Home / 15,547.68-23,330.43-5,685.66

Finding the Fourth Proportional to 15,547.68, 23,330.43 and 5,685.66

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Solution

The fourth proportional to 15,547.68, 23,330.43 and 5,685.66 is: 8,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.68 : 23,330.43 = 5,685.66 : x
  2. Step 2: Convert to fraction form
    15,547.68/23,330.43 = 5,685.66/x
  3. Step 3: Cross multiply
    15,547.68x = 23,330.43 × 5,685.66
  4. Step 4: Simplify right side
    15,547.68x = 132,648,892.63
  5. Step 5: Solve for x
    x = 132,648,892.63/15,547.68
  6. Step 6: Final answer
    x = 8,531.75

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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.