Home / 12,937.33-19,408.88-7,090.93

Finding the Fourth Proportional to 12,937.33, 19,408.88 and 7,090.93

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Solution

The fourth proportional to 12,937.33, 19,408.88 and 7,090.93 is: 10,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.33 : 19,408.88 = 7,090.93 : x
  2. Step 2: Convert to fraction form
    12,937.33/19,408.88 = 7,090.93/x
  3. Step 3: Cross multiply
    12,937.33x = 19,408.88 × 7,090.93
  4. Step 4: Simplify right side
    12,937.33x = 137,627,009.46
  5. Step 5: Solve for x
    x = 137,627,009.46/12,937.33
  6. Step 6: Final answer
    x = 10,637.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.