Home / 19,288.98-26,612.87-12,572.15

Finding the Fourth Proportional to 19,288.98, 26,612.87 and 12,572.15

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Solution

The fourth proportional to 19,288.98, 26,612.87 and 12,572.15 is: 17,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.98 : 26,612.87 = 12,572.15 : x
  2. Step 2: Convert to fraction form
    19,288.98/26,612.87 = 12,572.15/x
  3. Step 3: Cross multiply
    19,288.98x = 26,612.87 × 12,572.15
  4. Step 4: Simplify right side
    19,288.98x = 334,580,797.65
  5. Step 5: Solve for x
    x = 334,580,797.65/19,288.98
  6. Step 6: Final answer
    x = 17,345.70

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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.