Home / 9,385.63-12,952.05-5,136.76

Finding the Fourth Proportional to 9,385.63, 12,952.05 and 5,136.76

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Solution

The fourth proportional to 9,385.63, 12,952.05 and 5,136.76 is: 7,088.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.63 : 12,952.05 = 5,136.76 : x
  2. Step 2: Convert to fraction form
    9,385.63/12,952.05 = 5,136.76/x
  3. Step 3: Cross multiply
    9,385.63x = 12,952.05 × 5,136.76
  4. Step 4: Simplify right side
    9,385.63x = 66,531,572.36
  5. Step 5: Solve for x
    x = 66,531,572.36/9,385.63
  6. Step 6: Final answer
    x = 7,088.66

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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.