Home / 15,733.86-21,710.23-9,018.20

Finding the Fourth Proportional to 15,733.86, 21,710.23 and 9,018.20

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Solution

The fourth proportional to 15,733.86, 21,710.23 and 9,018.20 is: 12,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,733.86 : 21,710.23 = 9,018.20 : x
  2. Step 2: Convert to fraction form
    15,733.86/21,710.23 = 9,018.20/x
  3. Step 3: Cross multiply
    15,733.86x = 21,710.23 × 9,018.20
  4. Step 4: Simplify right side
    15,733.86x = 195,787,196.19
  5. Step 5: Solve for x
    x = 195,787,196.19/15,733.86
  6. Step 6: Final answer
    x = 12,443.68

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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.