Home / 15,130.08-20,892.72-10,176.48

Finding the Fourth Proportional to 15,130.08, 20,892.72 and 10,176.48

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Solution

The fourth proportional to 15,130.08, 20,892.72 and 10,176.48 is: 14,052.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,130.08 : 20,892.72 = 10,176.48 : x
  2. Step 2: Convert to fraction form
    15,130.08/20,892.72 = 10,176.48/x
  3. Step 3: Cross multiply
    15,130.08x = 20,892.72 × 10,176.48
  4. Step 4: Simplify right side
    15,130.08x = 212,614,347.23
  5. Step 5: Solve for x
    x = 212,614,347.23/15,130.08
  6. Step 6: Final answer
    x = 14,052.43

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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.