Home / 19,561.56-26,994.90-10,609.08

Finding the Fourth Proportional to 19,561.56, 26,994.90 and 10,609.08

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Solution

The fourth proportional to 19,561.56, 26,994.90 and 10,609.08 is: 14,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.56 : 26,994.90 = 10,609.08 : x
  2. Step 2: Convert to fraction form
    19,561.56/26,994.90 = 10,609.08/x
  3. Step 3: Cross multiply
    19,561.56x = 26,994.90 × 10,609.08
  4. Step 4: Simplify right side
    19,561.56x = 286,391,053.69
  5. Step 5: Solve for x
    x = 286,391,053.69/19,561.56
  6. Step 6: Final answer
    x = 14,640.50

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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.