Home / 10,427.24-15,656.45-10,271.57

Finding the Fourth Proportional to 10,427.24, 15,656.45 and 10,271.57

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Solution

The fourth proportional to 10,427.24, 15,656.45 and 10,271.57 is: 15,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.24 : 15,656.45 = 10,271.57 : x
  2. Step 2: Convert to fraction form
    10,427.24/15,656.45 = 10,271.57/x
  3. Step 3: Cross multiply
    10,427.24x = 15,656.45 × 10,271.57
  4. Step 4: Simplify right side
    10,427.24x = 160,816,192.49
  5. Step 5: Solve for x
    x = 160,816,192.49/10,427.24
  6. Step 6: Final answer
    x = 15,422.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.