Home / 10,283.59-15,426.20-2,888.65

Finding the Fourth Proportional to 10,283.59, 15,426.20 and 2,888.65

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Solution

The fourth proportional to 10,283.59, 15,426.20 and 2,888.65 is: 4,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,283.59 : 15,426.20 = 2,888.65 : x
  2. Step 2: Convert to fraction form
    10,283.59/15,426.20 = 2,888.65/x
  3. Step 3: Cross multiply
    10,283.59x = 15,426.20 × 2,888.65
  4. Step 4: Simplify right side
    10,283.59x = 44,560,892.63
  5. Step 5: Solve for x
    x = 44,560,892.63/10,283.59
  6. Step 6: Final answer
    x = 4,333.20

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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.