Home / 19,045.60-26,282.64-10,662.40

Finding the Fourth Proportional to 19,045.60, 26,282.64 and 10,662.40

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Solution

The fourth proportional to 19,045.60, 26,282.64 and 10,662.40 is: 14,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045.60 : 26,282.64 = 10,662.40 : x
  2. Step 2: Convert to fraction form
    19,045.60/26,282.64 = 10,662.40/x
  3. Step 3: Cross multiply
    19,045.60x = 26,282.64 × 10,662.40
  4. Step 4: Simplify right side
    19,045.60x = 280,236,020.74
  5. Step 5: Solve for x
    x = 280,236,020.74/19,045.60
  6. Step 6: Final answer
    x = 14,713.95

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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.