Home / 15,622.61-21,569.25-13,941.12

Finding the Fourth Proportional to 15,622.61, 21,569.25 and 13,941.12

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Solution

The fourth proportional to 15,622.61, 21,569.25 and 13,941.12 is: 19,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.61 : 21,569.25 = 13,941.12 : x
  2. Step 2: Convert to fraction form
    15,622.61/21,569.25 = 13,941.12/x
  3. Step 3: Cross multiply
    15,622.61x = 21,569.25 × 13,941.12
  4. Step 4: Simplify right side
    15,622.61x = 300,699,554.84
  5. Step 5: Solve for x
    x = 300,699,554.84/15,622.61
  6. Step 6: Final answer
    x = 19,247.72

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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.