Home / 22,312.30-30,811.80-14,368.36

Finding the Fourth Proportional to 22,312.30, 30,811.80 and 14,368.36

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Solution

The fourth proportional to 22,312.30, 30,811.80 and 14,368.36 is: 19,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.30 : 30,811.80 = 14,368.36 : x
  2. Step 2: Convert to fraction form
    22,312.30/30,811.80 = 14,368.36/x
  3. Step 3: Cross multiply
    22,312.30x = 30,811.80 × 14,368.36
  4. Step 4: Simplify right side
    22,312.30x = 442,715,034.65
  5. Step 5: Solve for x
    x = 442,715,034.65/22,312.30
  6. Step 6: Final answer
    x = 19,841.75

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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.