Home / 13,274.51-18,319.17-7,306.53

Finding the Fourth Proportional to 13,274.51, 18,319.17 and 7,306.53

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Solution

The fourth proportional to 13,274.51, 18,319.17 and 7,306.53 is: 10,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.51 : 18,319.17 = 7,306.53 : x
  2. Step 2: Convert to fraction form
    13,274.51/18,319.17 = 7,306.53/x
  3. Step 3: Cross multiply
    13,274.51x = 18,319.17 × 7,306.53
  4. Step 4: Simplify right side
    13,274.51x = 133,849,565.18
  5. Step 5: Solve for x
    x = 133,849,565.18/13,274.51
  6. Step 6: Final answer
    x = 10,083.21

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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.