Home / 15,575.32-21,487.43-10,199.08

Finding the Fourth Proportional to 15,575.32, 21,487.43 and 10,199.08

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Solution

The fourth proportional to 15,575.32, 21,487.43 and 10,199.08 is: 14,070.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,575.32 : 21,487.43 = 10,199.08 : x
  2. Step 2: Convert to fraction form
    15,575.32/21,487.43 = 10,199.08/x
  3. Step 3: Cross multiply
    15,575.32x = 21,487.43 × 10,199.08
  4. Step 4: Simplify right side
    15,575.32x = 219,151,859.13
  5. Step 5: Solve for x
    x = 219,151,859.13/15,575.32
  6. Step 6: Final answer
    x = 14,070.46

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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.