Home / 9,382.32-14,068.76-3,140.16

Finding the Fourth Proportional to 9,382.32, 14,068.76 and 3,140.16

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Solution

The fourth proportional to 9,382.32, 14,068.76 and 3,140.16 is: 4,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,382.32 : 14,068.76 = 3,140.16 : x
  2. Step 2: Convert to fraction form
    9,382.32/14,068.76 = 3,140.16/x
  3. Step 3: Cross multiply
    9,382.32x = 14,068.76 × 3,140.16
  4. Step 4: Simplify right side
    9,382.32x = 44,178,157.40
  5. Step 5: Solve for x
    x = 44,178,157.40/9,382.32
  6. Step 6: Final answer
    x = 4,708.66

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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.