Home / 12,740.49-17,548.85-9,150.17

Finding the Fourth Proportional to 12,740.49, 17,548.85 and 9,150.17

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Solution

The fourth proportional to 12,740.49, 17,548.85 and 9,150.17 is: 12,603.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740.49 : 17,548.85 = 9,150.17 : x
  2. Step 2: Convert to fraction form
    12,740.49/17,548.85 = 9,150.17/x
  3. Step 3: Cross multiply
    12,740.49x = 17,548.85 × 9,150.17
  4. Step 4: Simplify right side
    12,740.49x = 160,574,895.94
  5. Step 5: Solve for x
    x = 160,574,895.94/12,740.49
  6. Step 6: Final answer
    x = 12,603.51

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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.