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Finding the Fourth Proportional to 10,588.52, 14,603.10 and 8,570.90

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Solution

The fourth proportional to 10,588.52, 14,603.10 and 8,570.90 is: 11,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,588.52 : 14,603.10 = 8,570.90 : x
  2. Step 2: Convert to fraction form
    10,588.52/14,603.10 = 8,570.90/x
  3. Step 3: Cross multiply
    10,588.52x = 14,603.10 × 8,570.90
  4. Step 4: Simplify right side
    10,588.52x = 125,161,709.79
  5. Step 5: Solve for x
    x = 125,161,709.79/10,588.52
  6. Step 6: Final answer
    x = 11,820.51

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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.