Home / 14,875.08-20,527.52-8,160.53

Finding the Fourth Proportional to 14,875.08, 20,527.52 and 8,160.53

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Solution

The fourth proportional to 14,875.08, 20,527.52 and 8,160.53 is: 11,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.08 : 20,527.52 = 8,160.53 : x
  2. Step 2: Convert to fraction form
    14,875.08/20,527.52 = 8,160.53/x
  3. Step 3: Cross multiply
    14,875.08x = 20,527.52 × 8,160.53
  4. Step 4: Simplify right side
    14,875.08x = 167,515,442.79
  5. Step 5: Solve for x
    x = 167,515,442.79/14,875.08
  6. Step 6: Final answer
    x = 11,261.48

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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.