Home / 9,000.87-13,501.29-3,159.15

Finding the Fourth Proportional to 9,000.87, 13,501.29 and 3,159.15

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Solution

The fourth proportional to 9,000.87, 13,501.29 and 3,159.15 is: 4,738.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.87 : 13,501.29 = 3,159.15 : x
  2. Step 2: Convert to fraction form
    9,000.87/13,501.29 = 3,159.15/x
  3. Step 3: Cross multiply
    9,000.87x = 13,501.29 × 3,159.15
  4. Step 4: Simplify right side
    9,000.87x = 42,652,584.51
  5. Step 5: Solve for x
    x = 42,652,584.51/9,000.87
  6. Step 6: Final answer
    x = 4,738.72

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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.