Home / 10,125.18-13,971.78-6,148.47

Finding the Fourth Proportional to 10,125.18, 13,971.78 and 6,148.47

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Solution

The fourth proportional to 10,125.18, 13,971.78 and 6,148.47 is: 8,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.18 : 13,971.78 = 6,148.47 : x
  2. Step 2: Convert to fraction form
    10,125.18/13,971.78 = 6,148.47/x
  3. Step 3: Cross multiply
    10,125.18x = 13,971.78 × 6,148.47
  4. Step 4: Simplify right side
    10,125.18x = 85,905,070.18
  5. Step 5: Solve for x
    x = 85,905,070.18/10,125.18
  6. Step 6: Final answer
    x = 8,484.30

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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.