Home / 19,513.89-26,929.22-10,561.48

Finding the Fourth Proportional to 19,513.89, 26,929.22 and 10,561.48

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Solution

The fourth proportional to 19,513.89, 26,929.22 and 10,561.48 is: 14,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.89 : 26,929.22 = 10,561.48 : x
  2. Step 2: Convert to fraction form
    19,513.89/26,929.22 = 10,561.48/x
  3. Step 3: Cross multiply
    19,513.89x = 26,929.22 × 10,561.48
  4. Step 4: Simplify right side
    19,513.89x = 284,412,298.32
  5. Step 5: Solve for x
    x = 284,412,298.32/19,513.89
  6. Step 6: Final answer
    x = 14,574.86

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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.