Home / 21,579.74-32,363.23-9,726.67

Finding the Fourth Proportional to 21,579.74, 32,363.23 and 9,726.67

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Solution

The fourth proportional to 21,579.74, 32,363.23 and 9,726.67 is: 14,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,579.74 : 32,363.23 = 9,726.67 : x
  2. Step 2: Convert to fraction form
    21,579.74/32,363.23 = 9,726.67/x
  3. Step 3: Cross multiply
    21,579.74x = 32,363.23 × 9,726.67
  4. Step 4: Simplify right side
    21,579.74x = 314,786,458.34
  5. Step 5: Solve for x
    x = 314,786,458.34/21,579.74
  6. Step 6: Final answer
    x = 14,587.13

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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.