Home / 10,748.32-16,119.60-2,955.28

Finding the Fourth Proportional to 10,748.32, 16,119.60 and 2,955.28

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Solution

The fourth proportional to 10,748.32, 16,119.60 and 2,955.28 is: 4,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.32 : 16,119.60 = 2,955.28 : x
  2. Step 2: Convert to fraction form
    10,748.32/16,119.60 = 2,955.28/x
  3. Step 3: Cross multiply
    10,748.32x = 16,119.60 × 2,955.28
  4. Step 4: Simplify right side
    10,748.32x = 47,637,931.49
  5. Step 5: Solve for x
    x = 47,637,931.49/10,748.32
  6. Step 6: Final answer
    x = 4,432.13

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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.