Home / 10,296.96-14,209.88-5,581.20

Finding the Fourth Proportional to 10,296.96, 14,209.88 and 5,581.20

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Solution

The fourth proportional to 10,296.96, 14,209.88 and 5,581.20 is: 7,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,296.96 : 14,209.88 = 5,581.20 : x
  2. Step 2: Convert to fraction form
    10,296.96/14,209.88 = 5,581.20/x
  3. Step 3: Cross multiply
    10,296.96x = 14,209.88 × 5,581.20
  4. Step 4: Simplify right side
    10,296.96x = 79,308,182.26
  5. Step 5: Solve for x
    x = 79,308,182.26/10,296.96
  6. Step 6: Final answer
    x = 7,702.10

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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.