Home / 22,903.49-31,603.12-13,953.80

Finding the Fourth Proportional to 22,903.49, 31,603.12 and 13,953.80

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Solution

The fourth proportional to 22,903.49, 31,603.12 and 13,953.80 is: 19,253.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,903.49 : 31,603.12 = 13,953.80 : x
  2. Step 2: Convert to fraction form
    22,903.49/31,603.12 = 13,953.80/x
  3. Step 3: Cross multiply
    22,903.49x = 31,603.12 × 13,953.80
  4. Step 4: Simplify right side
    22,903.49x = 440,983,659.98
  5. Step 5: Solve for x
    x = 440,983,659.98/22,903.49
  6. Step 6: Final answer
    x = 19,253.99

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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.