Home / 10,987.03-15,158.28-6,206.37

Finding the Fourth Proportional to 10,987.03, 15,158.28 and 6,206.37

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Solution

The fourth proportional to 10,987.03, 15,158.28 and 6,206.37 is: 8,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.03 : 15,158.28 = 6,206.37 : x
  2. Step 2: Convert to fraction form
    10,987.03/15,158.28 = 6,206.37/x
  3. Step 3: Cross multiply
    10,987.03x = 15,158.28 × 6,206.37
  4. Step 4: Simplify right side
    10,987.03x = 94,077,894.24
  5. Step 5: Solve for x
    x = 94,077,894.24/10,987.03
  6. Step 6: Final answer
    x = 8,562.63

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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.