Home / 12,999.23-17,938.93-7,030.91

Finding the Fourth Proportional to 12,999.23, 17,938.93 and 7,030.91

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Solution

The fourth proportional to 12,999.23, 17,938.93 and 7,030.91 is: 9,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999.23 : 17,938.93 = 7,030.91 : x
  2. Step 2: Convert to fraction form
    12,999.23/17,938.93 = 7,030.91/x
  3. Step 3: Cross multiply
    12,999.23x = 17,938.93 × 7,030.91
  4. Step 4: Simplify right side
    12,999.23x = 126,127,002.33
  5. Step 5: Solve for x
    x = 126,127,002.33/12,999.23
  6. Step 6: Final answer
    x = 9,702.65

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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.