Home / 10,579.60-15,869.40-7,296.40

Finding the Fourth Proportional to 10,579.60, 15,869.40 and 7,296.40

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Solution

The fourth proportional to 10,579.60, 15,869.40 and 7,296.40 is: 10,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.60 : 15,869.40 = 7,296.40 : x
  2. Step 2: Convert to fraction form
    10,579.60/15,869.40 = 7,296.40/x
  3. Step 3: Cross multiply
    10,579.60x = 15,869.40 × 7,296.40
  4. Step 4: Simplify right side
    10,579.60x = 115,789,490.16
  5. Step 5: Solve for x
    x = 115,789,490.16/10,579.60
  6. Step 6: Final answer
    x = 10,944.60

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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.