Home / 15,439.84-23,158.32-7,653.76

Finding the Fourth Proportional to 15,439.84, 23,158.32 and 7,653.76

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Solution

The fourth proportional to 15,439.84, 23,158.32 and 7,653.76 is: 11,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.84 : 23,158.32 = 7,653.76 : x
  2. Step 2: Convert to fraction form
    15,439.84/23,158.32 = 7,653.76/x
  3. Step 3: Cross multiply
    15,439.84x = 23,158.32 × 7,653.76
  4. Step 4: Simplify right side
    15,439.84x = 177,248,223.28
  5. Step 5: Solve for x
    x = 177,248,223.28/15,439.84
  6. Step 6: Final answer
    x = 11,479.93

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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.