Home / 10,070.12-13,893.72-6,530.48

Finding the Fourth Proportional to 10,070.12, 13,893.72 and 6,530.48

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Solution

The fourth proportional to 10,070.12, 13,893.72 and 6,530.48 is: 9,010.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.12 : 13,893.72 = 6,530.48 : x
  2. Step 2: Convert to fraction form
    10,070.12/13,893.72 = 6,530.48/x
  3. Step 3: Cross multiply
    10,070.12x = 13,893.72 × 6,530.48
  4. Step 4: Simplify right side
    10,070.12x = 90,732,660.59
  5. Step 5: Solve for x
    x = 90,732,660.59/10,070.12
  6. Step 6: Final answer
    x = 9,010.09

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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.