Home / 16,931.08-23,350.41-10,215.28

Finding the Fourth Proportional to 16,931.08, 23,350.41 and 10,215.28

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Solution

The fourth proportional to 16,931.08, 23,350.41 and 10,215.28 is: 14,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.08 : 23,350.41 = 10,215.28 : x
  2. Step 2: Convert to fraction form
    16,931.08/23,350.41 = 10,215.28/x
  3. Step 3: Cross multiply
    16,931.08x = 23,350.41 × 10,215.28
  4. Step 4: Simplify right side
    16,931.08x = 238,530,976.26
  5. Step 5: Solve for x
    x = 238,530,976.26/16,931.08
  6. Step 6: Final answer
    x = 14,088.35

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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.