Home / 17,688.80-24,410.40-9,730.86

Finding the Fourth Proportional to 17,688.80, 24,410.40 and 9,730.86

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Solution

The fourth proportional to 17,688.80, 24,410.40 and 9,730.86 is: 13,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.80 : 24,410.40 = 9,730.86 : x
  2. Step 2: Convert to fraction form
    17,688.80/24,410.40 = 9,730.86/x
  3. Step 3: Cross multiply
    17,688.80x = 24,410.40 × 9,730.86
  4. Step 4: Simplify right side
    17,688.80x = 237,534,184.94
  5. Step 5: Solve for x
    x = 237,534,184.94/17,688.80
  6. Step 6: Final answer
    x = 13,428.51

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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.