Home / 9,312.57-13,965.87-3,071.18

Finding the Fourth Proportional to 9,312.57, 13,965.87 and 3,071.18

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Solution

The fourth proportional to 9,312.57, 13,965.87 and 3,071.18 is: 4,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.57 : 13,965.87 = 3,071.18 : x
  2. Step 2: Convert to fraction form
    9,312.57/13,965.87 = 3,071.18/x
  3. Step 3: Cross multiply
    9,312.57x = 13,965.87 × 3,071.18
  4. Step 4: Simplify right side
    9,312.57x = 42,891,700.63
  5. Step 5: Solve for x
    x = 42,891,700.63/9,312.57
  6. Step 6: Final answer
    x = 4,605.79

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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.