Home / 10,080.40-15,109.44-4,875.52

Finding the Fourth Proportional to 10,080.40, 15,109.44 and 4,875.52

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Solution

The fourth proportional to 10,080.40, 15,109.44 and 4,875.52 is: 7,307.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.40 : 15,109.44 = 4,875.52 : x
  2. Step 2: Convert to fraction form
    10,080.40/15,109.44 = 4,875.52/x
  3. Step 3: Cross multiply
    10,080.40x = 15,109.44 × 4,875.52
  4. Step 4: Simplify right side
    10,080.40x = 73,666,376.91
  5. Step 5: Solve for x
    x = 73,666,376.91/10,080.40
  6. Step 6: Final answer
    x = 7,307.88

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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.