Home / 19,363.36-26,700.09-13,384.65

Finding the Fourth Proportional to 19,363.36, 26,700.09 and 13,384.65

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Solution

The fourth proportional to 19,363.36, 26,700.09 and 13,384.65 is: 18,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.36 : 26,700.09 = 13,384.65 : x
  2. Step 2: Convert to fraction form
    19,363.36/26,700.09 = 13,384.65/x
  3. Step 3: Cross multiply
    19,363.36x = 26,700.09 × 13,384.65
  4. Step 4: Simplify right side
    19,363.36x = 357,371,334.65
  5. Step 5: Solve for x
    x = 357,371,334.65/19,363.36
  6. Step 6: Final answer
    x = 18,456.06

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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.