Home / 15,712.03-21,675.18-9,741.52

Finding the Fourth Proportional to 15,712.03, 21,675.18 and 9,741.52

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Solution

The fourth proportional to 15,712.03, 21,675.18 and 9,741.52 is: 13,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,712.03 : 21,675.18 = 9,741.52 : x
  2. Step 2: Convert to fraction form
    15,712.03/21,675.18 = 9,741.52/x
  3. Step 3: Cross multiply
    15,712.03x = 21,675.18 × 9,741.52
  4. Step 4: Simplify right side
    15,712.03x = 211,149,199.47
  5. Step 5: Solve for x
    x = 211,149,199.47/15,712.03
  6. Step 6: Final answer
    x = 13,438.70

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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.