Home / 17,688.32-24,409.70-9,730.55

Finding the Fourth Proportional to 17,688.32, 24,409.70 and 9,730.55

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Solution

The fourth proportional to 17,688.32, 24,409.70 and 9,730.55 is: 13,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.32 : 24,409.70 = 9,730.55 : x
  2. Step 2: Convert to fraction form
    17,688.32/24,409.70 = 9,730.55/x
  3. Step 3: Cross multiply
    17,688.32x = 24,409.70 × 9,730.55
  4. Step 4: Simplify right side
    17,688.32x = 237,519,818.71
  5. Step 5: Solve for x
    x = 237,519,818.71/17,688.32
  6. Step 6: Final answer
    x = 13,428.06

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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.