Home / 12,365.57-17,070.40-7,059.36

Finding the Fourth Proportional to 12,365.57, 17,070.40 and 7,059.36

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Solution

The fourth proportional to 12,365.57, 17,070.40 and 7,059.36 is: 9,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.57 : 17,070.40 = 7,059.36 : x
  2. Step 2: Convert to fraction form
    12,365.57/17,070.40 = 7,059.36/x
  3. Step 3: Cross multiply
    12,365.57x = 17,070.40 × 7,059.36
  4. Step 4: Simplify right side
    12,365.57x = 120,506,081.30
  5. Step 5: Solve for x
    x = 120,506,081.30/12,365.57
  6. Step 6: Final answer
    x = 9,745.29

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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.