Home / 9,916.65-13,685.67-6,553.62

Finding the Fourth Proportional to 9,916.65, 13,685.67 and 6,553.62

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Solution

The fourth proportional to 9,916.65, 13,685.67 and 6,553.62 is: 9,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.65 : 13,685.67 = 6,553.62 : x
  2. Step 2: Convert to fraction form
    9,916.65/13,685.67 = 6,553.62/x
  3. Step 3: Cross multiply
    9,916.65x = 13,685.67 × 6,553.62
  4. Step 4: Simplify right side
    9,916.65x = 89,690,680.63
  5. Step 5: Solve for x
    x = 89,690,680.63/9,916.65
  6. Step 6: Final answer
    x = 9,044.45

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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.