Home / 22,954.48-31,681.66-13,395.50

Finding the Fourth Proportional to 22,954.48, 31,681.66 and 13,395.50

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Solution

The fourth proportional to 22,954.48, 31,681.66 and 13,395.50 is: 18,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,954.48 : 31,681.66 = 13,395.50 : x
  2. Step 2: Convert to fraction form
    22,954.48/31,681.66 = 13,395.50/x
  3. Step 3: Cross multiply
    22,954.48x = 31,681.66 × 13,395.50
  4. Step 4: Simplify right side
    22,954.48x = 424,391,676.53
  5. Step 5: Solve for x
    x = 424,391,676.53/22,954.48
  6. Step 6: Final answer
    x = 18,488.40

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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.