Home / 13,318.96-19,947.32-10,526.90

Finding the Fourth Proportional to 13,318.96, 19,947.32 and 10,526.90

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Solution

The fourth proportional to 13,318.96, 19,947.32 and 10,526.90 is: 15,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.96 : 19,947.32 = 10,526.90 : x
  2. Step 2: Convert to fraction form
    13,318.96/19,947.32 = 10,526.90/x
  3. Step 3: Cross multiply
    13,318.96x = 19,947.32 × 10,526.90
  4. Step 4: Simplify right side
    13,318.96x = 209,983,442.91
  5. Step 5: Solve for x
    x = 209,983,442.91/13,318.96
  6. Step 6: Final answer
    x = 15,765.75

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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.