Home / 13,024.13-17,981.93-8,064.77

Finding the Fourth Proportional to 13,024.13, 17,981.93 and 8,064.77

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Solution

The fourth proportional to 13,024.13, 17,981.93 and 8,064.77 is: 11,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,024.13 : 17,981.93 = 8,064.77 : x
  2. Step 2: Convert to fraction form
    13,024.13/17,981.93 = 8,064.77/x
  3. Step 3: Cross multiply
    13,024.13x = 17,981.93 × 8,064.77
  4. Step 4: Simplify right side
    13,024.13x = 145,020,059.86
  5. Step 5: Solve for x
    x = 145,020,059.86/13,024.13
  6. Step 6: Final answer
    x = 11,134.73

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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.