Home / 22,710.40-31,341.09-14,209.81

Finding the Fourth Proportional to 22,710.40, 31,341.09 and 14,209.81

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Solution

The fourth proportional to 22,710.40, 31,341.09 and 14,209.81 is: 19,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,710.40 : 31,341.09 = 14,209.81 : x
  2. Step 2: Convert to fraction form
    22,710.40/31,341.09 = 14,209.81/x
  3. Step 3: Cross multiply
    22,710.40x = 31,341.09 × 14,209.81
  4. Step 4: Simplify right side
    22,710.40x = 445,350,934.09
  5. Step 5: Solve for x
    x = 445,350,934.09/22,710.40
  6. Step 6: Final answer
    x = 19,610.00

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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.