Home / 9,921.80-14,862.85-5,970.86

Finding the Fourth Proportional to 9,921.80, 14,862.85 and 5,970.86

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Solution

The fourth proportional to 9,921.80, 14,862.85 and 5,970.86 is: 8,944.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.80 : 14,862.85 = 5,970.86 : x
  2. Step 2: Convert to fraction form
    9,921.80/14,862.85 = 5,970.86/x
  3. Step 3: Cross multiply
    9,921.80x = 14,862.85 × 5,970.86
  4. Step 4: Simplify right side
    9,921.80x = 88,744,018.78
  5. Step 5: Solve for x
    x = 88,744,018.78/9,921.80
  6. Step 6: Final answer
    x = 8,944.35

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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.