Home / 12,342.51-17,032.34-7,037.21

Finding the Fourth Proportional to 12,342.51, 17,032.34 and 7,037.21

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Solution

The fourth proportional to 12,342.51, 17,032.34 and 7,037.21 is: 9,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.51 : 17,032.34 = 7,037.21 : x
  2. Step 2: Convert to fraction form
    12,342.51/17,032.34 = 7,037.21/x
  3. Step 3: Cross multiply
    12,342.51x = 17,032.34 × 7,037.21
  4. Step 4: Simplify right side
    12,342.51x = 119,860,033.02
  5. Step 5: Solve for x
    x = 119,860,033.02/12,342.51
  6. Step 6: Final answer
    x = 9,711.16

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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.