Home / 15,627.33-21,566.86-10,312.92

Finding the Fourth Proportional to 15,627.33, 21,566.86 and 10,312.92

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Solution

The fourth proportional to 15,627.33, 21,566.86 and 10,312.92 is: 14,232.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.33 : 21,566.86 = 10,312.92 : x
  2. Step 2: Convert to fraction form
    15,627.33/21,566.86 = 10,312.92/x
  3. Step 3: Cross multiply
    15,627.33x = 21,566.86 × 10,312.92
  4. Step 4: Simplify right side
    15,627.33x = 222,417,276.05
  5. Step 5: Solve for x
    x = 222,417,276.05/15,627.33
  6. Step 6: Final answer
    x = 14,232.58

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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.