Home / 12,343.30-17,035.18-7,038.88

Finding the Fourth Proportional to 12,343.30, 17,035.18 and 7,038.88

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Solution

The fourth proportional to 12,343.30, 17,035.18 and 7,038.88 is: 9,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.30 : 17,035.18 = 7,038.88 : x
  2. Step 2: Convert to fraction form
    12,343.30/17,035.18 = 7,038.88/x
  3. Step 3: Cross multiply
    12,343.30x = 17,035.18 × 7,038.88
  4. Step 4: Simplify right side
    12,343.30x = 119,908,587.80
  5. Step 5: Solve for x
    x = 119,908,587.80/12,343.30
  6. Step 6: Final answer
    x = 9,714.47

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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.