Home / 12,148.48-16,764.60-6,842.98

Finding the Fourth Proportional to 12,148.48, 16,764.60 and 6,842.98

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Solution

The fourth proportional to 12,148.48, 16,764.60 and 6,842.98 is: 9,443.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.48 : 16,764.60 = 6,842.98 : x
  2. Step 2: Convert to fraction form
    12,148.48/16,764.60 = 6,842.98/x
  3. Step 3: Cross multiply
    12,148.48x = 16,764.60 × 6,842.98
  4. Step 4: Simplify right side
    12,148.48x = 114,719,822.51
  5. Step 5: Solve for x
    x = 114,719,822.51/12,148.48
  6. Step 6: Final answer
    x = 9,443.14

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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.