Home / 14,370.77-21,561.51-6,470.91

Finding the Fourth Proportional to 14,370.77, 21,561.51 and 6,470.91

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Solution

The fourth proportional to 14,370.77, 21,561.51 and 6,470.91 is: 9,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.77 : 21,561.51 = 6,470.91 : x
  2. Step 2: Convert to fraction form
    14,370.77/21,561.51 = 6,470.91/x
  3. Step 3: Cross multiply
    14,370.77x = 21,561.51 × 6,470.91
  4. Step 4: Simplify right side
    14,370.77x = 139,522,590.67
  5. Step 5: Solve for x
    x = 139,522,590.67/14,370.77
  6. Step 6: Final answer
    x = 9,708.78

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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.