Home / 10,225.02-15,330.35-3,979.77

Finding the Fourth Proportional to 10,225.02, 15,330.35 and 3,979.77

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Solution

The fourth proportional to 10,225.02, 15,330.35 and 3,979.77 is: 5,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.02 : 15,330.35 = 3,979.77 : x
  2. Step 2: Convert to fraction form
    10,225.02/15,330.35 = 3,979.77/x
  3. Step 3: Cross multiply
    10,225.02x = 15,330.35 × 3,979.77
  4. Step 4: Simplify right side
    10,225.02x = 61,011,267.02
  5. Step 5: Solve for x
    x = 61,011,267.02/10,225.02
  6. Step 6: Final answer
    x = 5,966.86

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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.