Home / 10,080.19-15,125.75-4,886.07

Finding the Fourth Proportional to 10,080.19, 15,125.75 and 4,886.07

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Solution

The fourth proportional to 10,080.19, 15,125.75 and 4,886.07 is: 7,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.19 : 15,125.75 = 4,886.07 : x
  2. Step 2: Convert to fraction form
    10,080.19/15,125.75 = 4,886.07/x
  3. Step 3: Cross multiply
    10,080.19x = 15,125.75 × 4,886.07
  4. Step 4: Simplify right side
    10,080.19x = 73,905,397.67
  5. Step 5: Solve for x
    x = 73,905,397.67/10,080.19
  6. Step 6: Final answer
    x = 7,331.75

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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.