Home / 9,521.74-13,138.77-5,329.99

Finding the Fourth Proportional to 9,521.74, 13,138.77 and 5,329.99

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Solution

The fourth proportional to 9,521.74, 13,138.77 and 5,329.99 is: 7,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.74 : 13,138.77 = 5,329.99 : x
  2. Step 2: Convert to fraction form
    9,521.74/13,138.77 = 5,329.99/x
  3. Step 3: Cross multiply
    9,521.74x = 13,138.77 × 5,329.99
  4. Step 4: Simplify right side
    9,521.74x = 70,029,512.71
  5. Step 5: Solve for x
    x = 70,029,512.71/9,521.74
  6. Step 6: Final answer
    x = 7,354.70

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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.