Home / 19,338.18-26,686.98-10,840.74

Finding the Fourth Proportional to 19,338.18, 26,686.98 and 10,840.74

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Solution

The fourth proportional to 19,338.18, 26,686.98 and 10,840.74 is: 14,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.18 : 26,686.98 = 10,840.74 : x
  2. Step 2: Convert to fraction form
    19,338.18/26,686.98 = 10,840.74/x
  3. Step 3: Cross multiply
    19,338.18x = 26,686.98 × 10,840.74
  4. Step 4: Simplify right side
    19,338.18x = 289,306,611.57
  5. Step 5: Solve for x
    x = 289,306,611.57/19,338.18
  6. Step 6: Final answer
    x = 14,960.38

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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.