Home / 9,821.86-14,726.91-6,663.20

Finding the Fourth Proportional to 9,821.86, 14,726.91 and 6,663.20

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Solution

The fourth proportional to 9,821.86, 14,726.91 and 6,663.20 is: 9,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.86 : 14,726.91 = 6,663.20 : x
  2. Step 2: Convert to fraction form
    9,821.86/14,726.91 = 6,663.20/x
  3. Step 3: Cross multiply
    9,821.86x = 14,726.91 × 6,663.20
  4. Step 4: Simplify right side
    9,821.86x = 98,128,298.06
  5. Step 5: Solve for x
    x = 98,128,298.06/9,821.86
  6. Step 6: Final answer
    x = 9,990.81

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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.