Home / 15,983.96-22,060.74-10,020.80

Finding the Fourth Proportional to 15,983.96, 22,060.74 and 10,020.80

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Solution

The fourth proportional to 15,983.96, 22,060.74 and 10,020.80 is: 13,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.96 : 22,060.74 = 10,020.80 : x
  2. Step 2: Convert to fraction form
    15,983.96/22,060.74 = 10,020.80/x
  3. Step 3: Cross multiply
    15,983.96x = 22,060.74 × 10,020.80
  4. Step 4: Simplify right side
    15,983.96x = 221,066,263.39
  5. Step 5: Solve for x
    x = 221,066,263.39/15,983.96
  6. Step 6: Final answer
    x = 13,830.51

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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.