Home / 22,486.23-31,030.85-12,415.30

Finding the Fourth Proportional to 22,486.23, 31,030.85 and 12,415.30

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Solution

The fourth proportional to 22,486.23, 31,030.85 and 12,415.30 is: 17,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.23 : 31,030.85 = 12,415.30 : x
  2. Step 2: Convert to fraction form
    22,486.23/31,030.85 = 12,415.30/x
  3. Step 3: Cross multiply
    22,486.23x = 31,030.85 × 12,415.30
  4. Step 4: Simplify right side
    22,486.23x = 385,257,265.47
  5. Step 5: Solve for x
    x = 385,257,265.47/22,486.23
  6. Step 6: Final answer
    x = 17,133.03

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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.