Home / 10,686.24-14,746.88-6,210.80

Finding the Fourth Proportional to 10,686.24, 14,746.88 and 6,210.80

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Solution

The fourth proportional to 10,686.24, 14,746.88 and 6,210.80 is: 8,570.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.24 : 14,746.88 = 6,210.80 : x
  2. Step 2: Convert to fraction form
    10,686.24/14,746.88 = 6,210.80/x
  3. Step 3: Cross multiply
    10,686.24x = 14,746.88 × 6,210.80
  4. Step 4: Simplify right side
    10,686.24x = 91,589,922.30
  5. Step 5: Solve for x
    x = 91,589,922.30/10,686.24
  6. Step 6: Final answer
    x = 8,570.83

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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.