Home / 19,188.52-26,480.08-10,690.74

Finding the Fourth Proportional to 19,188.52, 26,480.08 and 10,690.74

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Solution

The fourth proportional to 19,188.52, 26,480.08 and 10,690.74 is: 14,753.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.52 : 26,480.08 = 10,690.74 : x
  2. Step 2: Convert to fraction form
    19,188.52/26,480.08 = 10,690.74/x
  3. Step 3: Cross multiply
    19,188.52x = 26,480.08 × 10,690.74
  4. Step 4: Simplify right side
    19,188.52x = 283,091,650.46
  5. Step 5: Solve for x
    x = 283,091,650.46/19,188.52
  6. Step 6: Final answer
    x = 14,753.18

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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.