Home / 10,342.23-15,516.08-5,410.55

Finding the Fourth Proportional to 10,342.23, 15,516.08 and 5,410.55

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Solution

The fourth proportional to 10,342.23, 15,516.08 and 5,410.55 is: 8,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.23 : 15,516.08 = 5,410.55 : x
  2. Step 2: Convert to fraction form
    10,342.23/15,516.08 = 5,410.55/x
  3. Step 3: Cross multiply
    10,342.23x = 15,516.08 × 5,410.55
  4. Step 4: Simplify right side
    10,342.23x = 83,950,526.64
  5. Step 5: Solve for x
    x = 83,950,526.64/10,342.23
  6. Step 6: Final answer
    x = 8,117.26

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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.