Home / 12,505.07-17,256.30-6,838.70

Finding the Fourth Proportional to 12,505.07, 17,256.30 and 6,838.70

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Solution

The fourth proportional to 12,505.07, 17,256.30 and 6,838.70 is: 9,437.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.07 : 17,256.30 = 6,838.70 : x
  2. Step 2: Convert to fraction form
    12,505.07/17,256.30 = 6,838.70/x
  3. Step 3: Cross multiply
    12,505.07x = 17,256.30 × 6,838.70
  4. Step 4: Simplify right side
    12,505.07x = 118,010,658.81
  5. Step 5: Solve for x
    x = 118,010,658.81/12,505.07
  6. Step 6: Final answer
    x = 9,437.03

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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.