Home / 12,718.77-19,059.71-6,470.10

Finding the Fourth Proportional to 12,718.77, 19,059.71 and 6,470.10

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Solution

The fourth proportional to 12,718.77, 19,059.71 and 6,470.10 is: 9,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.77 : 19,059.71 = 6,470.10 : x
  2. Step 2: Convert to fraction form
    12,718.77/19,059.71 = 6,470.10/x
  3. Step 3: Cross multiply
    12,718.77x = 19,059.71 × 6,470.10
  4. Step 4: Simplify right side
    12,718.77x = 123,318,250.93
  5. Step 5: Solve for x
    x = 123,318,250.93/12,718.77
  6. Step 6: Final answer
    x = 9,695.77

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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.