Home / 16,053.40-22,162.44-9,681.13

Finding the Fourth Proportional to 16,053.40, 22,162.44 and 9,681.13

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Solution

The fourth proportional to 16,053.40, 22,162.44 and 9,681.13 is: 13,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,053.40 : 22,162.44 = 9,681.13 : x
  2. Step 2: Convert to fraction form
    16,053.40/22,162.44 = 9,681.13/x
  3. Step 3: Cross multiply
    16,053.40x = 22,162.44 × 9,681.13
  4. Step 4: Simplify right side
    16,053.40x = 214,557,462.76
  5. Step 5: Solve for x
    x = 214,557,462.76/16,053.40
  6. Step 6: Final answer
    x = 13,365.23

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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.