Home / 10,785.80-14,884.35-6,070.12

Finding the Fourth Proportional to 10,785.80, 14,884.35 and 6,070.12

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Solution

The fourth proportional to 10,785.80, 14,884.35 and 6,070.12 is: 8,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.80 : 14,884.35 = 6,070.12 : x
  2. Step 2: Convert to fraction form
    10,785.80/14,884.35 = 6,070.12/x
  3. Step 3: Cross multiply
    10,785.80x = 14,884.35 × 6,070.12
  4. Step 4: Simplify right side
    10,785.80x = 90,349,790.62
  5. Step 5: Solve for x
    x = 90,349,790.62/10,785.80
  6. Step 6: Final answer
    x = 8,376.74

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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.