Home / 12,937.35-19,376.85-7,732.29

Finding the Fourth Proportional to 12,937.35, 19,376.85 and 7,732.29

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Solution

The fourth proportional to 12,937.35, 19,376.85 and 7,732.29 is: 11,581.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.35 : 19,376.85 = 7,732.29 : x
  2. Step 2: Convert to fraction form
    12,937.35/19,376.85 = 7,732.29/x
  3. Step 3: Cross multiply
    12,937.35x = 19,376.85 × 7,732.29
  4. Step 4: Simplify right side
    12,937.35x = 149,827,423.49
  5. Step 5: Solve for x
    x = 149,827,423.49/12,937.35
  6. Step 6: Final answer
    x = 11,581.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.