Home / 17,869.32-24,643.52-11,155.56

Finding the Fourth Proportional to 17,869.32, 24,643.52 and 11,155.56

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Solution

The fourth proportional to 17,869.32, 24,643.52 and 11,155.56 is: 15,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.32 : 24,643.52 = 11,155.56 : x
  2. Step 2: Convert to fraction form
    17,869.32/24,643.52 = 11,155.56/x
  3. Step 3: Cross multiply
    17,869.32x = 24,643.52 × 11,155.56
  4. Step 4: Simplify right side
    17,869.32x = 274,912,210.19
  5. Step 5: Solve for x
    x = 274,912,210.19/17,869.32
  6. Step 6: Final answer
    x = 15,384.59

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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.