Home / 10,113.07-15,169.59-4,702.90

Finding the Fourth Proportional to 10,113.07, 15,169.59 and 4,702.90

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Solution

The fourth proportional to 10,113.07, 15,169.59 and 4,702.90 is: 7,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.07 : 15,169.59 = 4,702.90 : x
  2. Step 2: Convert to fraction form
    10,113.07/15,169.59 = 4,702.90/x
  3. Step 3: Cross multiply
    10,113.07x = 15,169.59 × 4,702.90
  4. Step 4: Simplify right side
    10,113.07x = 71,341,026.89
  5. Step 5: Solve for x
    x = 71,341,026.89/10,113.07
  6. Step 6: Final answer
    x = 7,054.34

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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.