Home / 8,977.32-13,465.98-8,964.35

Finding the Fourth Proportional to 8,977.32, 13,465.98 and 8,964.35

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Solution

The fourth proportional to 8,977.32, 13,465.98 and 8,964.35 is: 13,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.32 : 13,465.98 = 8,964.35 : x
  2. Step 2: Convert to fraction form
    8,977.32/13,465.98 = 8,964.35/x
  3. Step 3: Cross multiply
    8,977.32x = 13,465.98 × 8,964.35
  4. Step 4: Simplify right side
    8,977.32x = 120,713,684.20
  5. Step 5: Solve for x
    x = 120,713,684.20/8,977.32
  6. Step 6: Final answer
    x = 13,446.52

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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.