Home / 12,527.68-17,288.40-6,938.32

Finding the Fourth Proportional to 12,527.68, 17,288.40 and 6,938.32

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Solution

The fourth proportional to 12,527.68, 17,288.40 and 6,938.32 is: 9,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.68 : 17,288.40 = 6,938.32 : x
  2. Step 2: Convert to fraction form
    12,527.68/17,288.40 = 6,938.32/x
  3. Step 3: Cross multiply
    12,527.68x = 17,288.40 × 6,938.32
  4. Step 4: Simplify right side
    12,527.68x = 119,952,451.49
  5. Step 5: Solve for x
    x = 119,952,451.49/12,527.68
  6. Step 6: Final answer
    x = 9,574.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.