Home / 10,888.28-15,012.98-10,081.26

Finding the Fourth Proportional to 10,888.28, 15,012.98 and 10,081.26

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Solution

The fourth proportional to 10,888.28, 15,012.98 and 10,081.26 is: 13,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.28 : 15,012.98 = 10,081.26 : x
  2. Step 2: Convert to fraction form
    10,888.28/15,012.98 = 10,081.26/x
  3. Step 3: Cross multiply
    10,888.28x = 15,012.98 × 10,081.26
  4. Step 4: Simplify right side
    10,888.28x = 151,349,754.75
  5. Step 5: Solve for x
    x = 151,349,754.75/10,888.28
  6. Step 6: Final answer
    x = 13,900.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.