Home / 15,350.59-21,172.48-10,572.05

Finding the Fourth Proportional to 15,350.59, 21,172.48 and 10,572.05

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Solution

The fourth proportional to 15,350.59, 21,172.48 and 10,572.05 is: 14,581.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350.59 : 21,172.48 = 10,572.05 : x
  2. Step 2: Convert to fraction form
    15,350.59/21,172.48 = 10,572.05/x
  3. Step 3: Cross multiply
    15,350.59x = 21,172.48 × 10,572.05
  4. Step 4: Simplify right side
    15,350.59x = 223,836,573.42
  5. Step 5: Solve for x
    x = 223,836,573.42/15,350.59
  6. Step 6: Final answer
    x = 14,581.62

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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.