Home / 15,965.64-22,037.69-10,300.55

Finding the Fourth Proportional to 15,965.64, 22,037.69 and 10,300.55

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Solution

The fourth proportional to 15,965.64, 22,037.69 and 10,300.55 is: 14,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.64 : 22,037.69 = 10,300.55 : x
  2. Step 2: Convert to fraction form
    15,965.64/22,037.69 = 10,300.55/x
  3. Step 3: Cross multiply
    15,965.64x = 22,037.69 × 10,300.55
  4. Step 4: Simplify right side
    15,965.64x = 227,000,243.29
  5. Step 5: Solve for x
    x = 227,000,243.29/15,965.64
  6. Step 6: Final answer
    x = 14,218.05

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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.