Home / 10,188.32-15,282.54-4,637.78

Finding the Fourth Proportional to 10,188.32, 15,282.54 and 4,637.78

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Solution

The fourth proportional to 10,188.32, 15,282.54 and 4,637.78 is: 6,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.32 : 15,282.54 = 4,637.78 : x
  2. Step 2: Convert to fraction form
    10,188.32/15,282.54 = 4,637.78/x
  3. Step 3: Cross multiply
    10,188.32x = 15,282.54 × 4,637.78
  4. Step 4: Simplify right side
    10,188.32x = 70,877,087.87
  5. Step 5: Solve for x
    x = 70,877,087.87/10,188.32
  6. Step 6: Final answer
    x = 6,956.70

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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.