Home / 10,017.76-15,020.40-4,470.88

Finding the Fourth Proportional to 10,017.76, 15,020.40 and 4,470.88

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Solution

The fourth proportional to 10,017.76, 15,020.40 and 4,470.88 is: 6,703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.76 : 15,020.40 = 4,470.88 : x
  2. Step 2: Convert to fraction form
    10,017.76/15,020.40 = 4,470.88/x
  3. Step 3: Cross multiply
    10,017.76x = 15,020.40 × 4,470.88
  4. Step 4: Simplify right side
    10,017.76x = 67,154,405.95
  5. Step 5: Solve for x
    x = 67,154,405.95/10,017.76
  6. Step 6: Final answer
    x = 6,703.54

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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.