Home / 31,298.90-46,956.03-9,112.47

Finding the Fourth Proportional to 31,298.90, 46,956.03 and 9,112.47

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Solution

The fourth proportional to 31,298.90, 46,956.03 and 9,112.47 is: 13,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,298.90 : 46,956.03 = 9,112.47 : x
  2. Step 2: Convert to fraction form
    31,298.90/46,956.03 = 9,112.47/x
  3. Step 3: Cross multiply
    31,298.90x = 46,956.03 × 9,112.47
  4. Step 4: Simplify right side
    31,298.90x = 427,885,414.69
  5. Step 5: Solve for x
    x = 427,885,414.69/31,298.90
  6. Step 6: Final answer
    x = 13,670.94

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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.