Home / 22,012.34-30,390.11-14,472.05

Finding the Fourth Proportional to 22,012.34, 30,390.11 and 14,472.05

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Solution

The fourth proportional to 22,012.34, 30,390.11 and 14,472.05 is: 19,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.34 : 30,390.11 = 14,472.05 : x
  2. Step 2: Convert to fraction form
    22,012.34/30,390.11 = 14,472.05/x
  3. Step 3: Cross multiply
    22,012.34x = 30,390.11 × 14,472.05
  4. Step 4: Simplify right side
    22,012.34x = 439,807,075.66
  5. Step 5: Solve for x
    x = 439,807,075.66/22,012.34
  6. Step 6: Final answer
    x = 19,980.03

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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.