Home / 10,281.90-15,423.48-2,886.96

Finding the Fourth Proportional to 10,281.90, 15,423.48 and 2,886.96

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Solution

The fourth proportional to 10,281.90, 15,423.48 and 2,886.96 is: 4,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.90 : 15,423.48 = 2,886.96 : x
  2. Step 2: Convert to fraction form
    10,281.90/15,423.48 = 2,886.96/x
  3. Step 3: Cross multiply
    10,281.90x = 15,423.48 × 2,886.96
  4. Step 4: Simplify right side
    10,281.90x = 44,526,969.82
  5. Step 5: Solve for x
    x = 44,526,969.82/10,281.90
  6. Step 6: Final answer
    x = 4,330.62

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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.