Home / 12,347.19-17,039.32-6,969.91

Finding the Fourth Proportional to 12,347.19, 17,039.32 and 6,969.91

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Solution

The fourth proportional to 12,347.19, 17,039.32 and 6,969.91 is: 9,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.19 : 17,039.32 = 6,969.91 : x
  2. Step 2: Convert to fraction form
    12,347.19/17,039.32 = 6,969.91/x
  3. Step 3: Cross multiply
    12,347.19x = 17,039.32 × 6,969.91
  4. Step 4: Simplify right side
    12,347.19x = 118,762,526.86
  5. Step 5: Solve for x
    x = 118,762,526.86/12,347.19
  6. Step 6: Final answer
    x = 9,618.59

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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.