Home / 22,703.42-31,312.97-14,748.21

Finding the Fourth Proportional to 22,703.42, 31,312.97 and 14,748.21

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Solution

The fourth proportional to 22,703.42, 31,312.97 and 14,748.21 is: 20,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703.42 : 31,312.97 = 14,748.21 : x
  2. Step 2: Convert to fraction form
    22,703.42/31,312.97 = 14,748.21/x
  3. Step 3: Cross multiply
    22,703.42x = 31,312.97 × 14,748.21
  4. Step 4: Simplify right side
    22,703.42x = 461,810,026.98
  5. Step 5: Solve for x
    x = 461,810,026.98/22,703.42
  6. Step 6: Final answer
    x = 20,340.99

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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.