Home / 12,602.48-17,390.39-7,297.64

Finding the Fourth Proportional to 12,602.48, 17,390.39 and 7,297.64

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Solution

The fourth proportional to 12,602.48, 17,390.39 and 7,297.64 is: 10,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.48 : 17,390.39 = 7,297.64 : x
  2. Step 2: Convert to fraction form
    12,602.48/17,390.39 = 7,297.64/x
  3. Step 3: Cross multiply
    12,602.48x = 17,390.39 × 7,297.64
  4. Step 4: Simplify right side
    12,602.48x = 126,908,682.24
  5. Step 5: Solve for x
    x = 126,908,682.24/12,602.48
  6. Step 6: Final answer
    x = 10,070.14

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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.