Home / 10,380.15-15,570.36-2,588.76

Finding the Fourth Proportional to 10,380.15, 15,570.36 and 2,588.76

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Solution

The fourth proportional to 10,380.15, 15,570.36 and 2,588.76 is: 3,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.15 : 15,570.36 = 2,588.76 : x
  2. Step 2: Convert to fraction form
    10,380.15/15,570.36 = 2,588.76/x
  3. Step 3: Cross multiply
    10,380.15x = 15,570.36 × 2,588.76
  4. Step 4: Simplify right side
    10,380.15x = 40,307,925.15
  5. Step 5: Solve for x
    x = 40,307,925.15/10,380.15
  6. Step 6: Final answer
    x = 3,883.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.