Home / 19,657.10-29,482.40-9,126.70

Finding the Fourth Proportional to 19,657.10, 29,482.40 and 9,126.70

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Solution

The fourth proportional to 19,657.10, 29,482.40 and 9,126.70 is: 13,688.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.10 : 29,482.40 = 9,126.70 : x
  2. Step 2: Convert to fraction form
    19,657.10/29,482.40 = 9,126.70/x
  3. Step 3: Cross multiply
    19,657.10x = 29,482.40 × 9,126.70
  4. Step 4: Simplify right side
    19,657.10x = 269,077,020.08
  5. Step 5: Solve for x
    x = 269,077,020.08/19,657.10
  6. Step 6: Final answer
    x = 13,688.54

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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.