Home / 10,877.40-16,315.28-3,482.64

Finding the Fourth Proportional to 10,877.40, 16,315.28 and 3,482.64

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Solution

The fourth proportional to 10,877.40, 16,315.28 and 3,482.64 is: 5,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.40 : 16,315.28 = 3,482.64 : x
  2. Step 2: Convert to fraction form
    10,877.40/16,315.28 = 3,482.64/x
  3. Step 3: Cross multiply
    10,877.40x = 16,315.28 × 3,482.64
  4. Step 4: Simplify right side
    10,877.40x = 56,820,246.74
  5. Step 5: Solve for x
    x = 56,820,246.74/10,877.40
  6. Step 6: Final answer
    x = 5,223.70

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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.