Home / 12,437.48-17,166.06-7,135.76

Finding the Fourth Proportional to 12,437.48, 17,166.06 and 7,135.76

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Solution

The fourth proportional to 12,437.48, 17,166.06 and 7,135.76 is: 9,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.48 : 17,166.06 = 7,135.76 : x
  2. Step 2: Convert to fraction form
    12,437.48/17,166.06 = 7,135.76/x
  3. Step 3: Cross multiply
    12,437.48x = 17,166.06 × 7,135.76
  4. Step 4: Simplify right side
    12,437.48x = 122,492,884.31
  5. Step 5: Solve for x
    x = 122,492,884.31/12,437.48
  6. Step 6: Final answer
    x = 9,848.69

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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.