Home / 19,188.76-26,480.08-10,690.87

Finding the Fourth Proportional to 19,188.76, 26,480.08 and 10,690.87

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Solution

The fourth proportional to 19,188.76, 26,480.08 and 10,690.87 is: 14,753.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.76 : 26,480.08 = 10,690.87 : x
  2. Step 2: Convert to fraction form
    19,188.76/26,480.08 = 10,690.87/x
  3. Step 3: Cross multiply
    19,188.76x = 26,480.08 × 10,690.87
  4. Step 4: Simplify right side
    19,188.76x = 283,095,092.87
  5. Step 5: Solve for x
    x = 283,095,092.87/19,188.76
  6. Step 6: Final answer
    x = 14,753.17

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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.