Home / 17,612.19-26,393.63-12,658.59

Finding the Fourth Proportional to 17,612.19, 26,393.63 and 12,658.59

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Solution

The fourth proportional to 17,612.19, 26,393.63 and 12,658.59 is: 18,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.19 : 26,393.63 = 12,658.59 : x
  2. Step 2: Convert to fraction form
    17,612.19/26,393.63 = 12,658.59/x
  3. Step 3: Cross multiply
    17,612.19x = 26,393.63 × 12,658.59
  4. Step 4: Simplify right side
    17,612.19x = 334,106,077.49
  5. Step 5: Solve for x
    x = 334,106,077.49/17,612.19
  6. Step 6: Final answer
    x = 18,970.16

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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.