Home / 14,337.62-21,482.16-8,779.36

Finding the Fourth Proportional to 14,337.62, 21,482.16 and 8,779.36

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Solution

The fourth proportional to 14,337.62, 21,482.16 and 8,779.36 is: 13,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,337.62 : 21,482.16 = 8,779.36 : x
  2. Step 2: Convert to fraction form
    14,337.62/21,482.16 = 8,779.36/x
  3. Step 3: Cross multiply
    14,337.62x = 21,482.16 × 8,779.36
  4. Step 4: Simplify right side
    14,337.62x = 188,599,572.32
  5. Step 5: Solve for x
    x = 188,599,572.32/14,337.62
  6. Step 6: Final answer
    x = 13,154.18

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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.