Home / 12,341.68-17,031.09-7,038.20

Finding the Fourth Proportional to 12,341.68, 17,031.09 and 7,038.20

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Solution

The fourth proportional to 12,341.68, 17,031.09 and 7,038.20 is: 9,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.68 : 17,031.09 = 7,038.20 : x
  2. Step 2: Convert to fraction form
    12,341.68/17,031.09 = 7,038.20/x
  3. Step 3: Cross multiply
    12,341.68x = 17,031.09 × 7,038.20
  4. Step 4: Simplify right side
    12,341.68x = 119,868,286.61
  5. Step 5: Solve for x
    x = 119,868,286.61/12,341.68
  6. Step 6: Final answer
    x = 9,712.48

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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.