Home / 13,068.63-18,034.77-7,691.27

Finding the Fourth Proportional to 13,068.63, 18,034.77 and 7,691.27

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Solution

The fourth proportional to 13,068.63, 18,034.77 and 7,691.27 is: 10,613.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.63 : 18,034.77 = 7,691.27 : x
  2. Step 2: Convert to fraction form
    13,068.63/18,034.77 = 7,691.27/x
  3. Step 3: Cross multiply
    13,068.63x = 18,034.77 × 7,691.27
  4. Step 4: Simplify right side
    13,068.63x = 138,710,224.13
  5. Step 5: Solve for x
    x = 138,710,224.13/13,068.63
  6. Step 6: Final answer
    x = 10,613.98

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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.