Home / 9,130.69-13,671.55-6,351.49

Finding the Fourth Proportional to 9,130.69, 13,671.55 and 6,351.49

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Solution

The fourth proportional to 9,130.69, 13,671.55 and 6,351.49 is: 9,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.69 : 13,671.55 = 6,351.49 : x
  2. Step 2: Convert to fraction form
    9,130.69/13,671.55 = 6,351.49/x
  3. Step 3: Cross multiply
    9,130.69x = 13,671.55 × 6,351.49
  4. Step 4: Simplify right side
    9,130.69x = 86,834,612.99
  5. Step 5: Solve for x
    x = 86,834,612.99/9,130.69
  6. Step 6: Final answer
    x = 9,510.20

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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.