Home / 16,439.65-22,686.96-9,365.92

Finding the Fourth Proportional to 16,439.65, 22,686.96 and 9,365.92

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Solution

The fourth proportional to 16,439.65, 22,686.96 and 9,365.92 is: 12,925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.65 : 22,686.96 = 9,365.92 : x
  2. Step 2: Convert to fraction form
    16,439.65/22,686.96 = 9,365.92/x
  3. Step 3: Cross multiply
    16,439.65x = 22,686.96 × 9,365.92
  4. Step 4: Simplify right side
    16,439.65x = 212,484,252.40
  5. Step 5: Solve for x
    x = 212,484,252.40/16,439.65
  6. Step 6: Final answer
    x = 12,925.11

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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.