Home / 16,929.49-23,368.97-10,215.40

Finding the Fourth Proportional to 16,929.49, 23,368.97 and 10,215.40

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Solution

The fourth proportional to 16,929.49, 23,368.97 and 10,215.40 is: 14,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.49 : 23,368.97 = 10,215.40 : x
  2. Step 2: Convert to fraction form
    16,929.49/23,368.97 = 10,215.40/x
  3. Step 3: Cross multiply
    16,929.49x = 23,368.97 × 10,215.40
  4. Step 4: Simplify right side
    16,929.49x = 238,723,376.14
  5. Step 5: Solve for x
    x = 238,723,376.14/16,929.49
  6. Step 6: Final answer
    x = 14,101.04

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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.