Home / 17,688.20-24,409.84-9,730.52

Finding the Fourth Proportional to 17,688.20, 24,409.84 and 9,730.52

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Solution

The fourth proportional to 17,688.20, 24,409.84 and 9,730.52 is: 13,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.20 : 24,409.84 = 9,730.52 : x
  2. Step 2: Convert to fraction form
    17,688.20/24,409.84 = 9,730.52/x
  3. Step 3: Cross multiply
    17,688.20x = 24,409.84 × 9,730.52
  4. Step 4: Simplify right side
    17,688.20x = 237,520,436.32
  5. Step 5: Solve for x
    x = 237,520,436.32/17,688.20
  6. Step 6: Final answer
    x = 13,428.19

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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.