Home / 19,531.65-26,955.35-11,035.34

Finding the Fourth Proportional to 19,531.65, 26,955.35 and 11,035.34

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Solution

The fourth proportional to 19,531.65, 26,955.35 and 11,035.34 is: 15,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.65 : 26,955.35 = 11,035.34 : x
  2. Step 2: Convert to fraction form
    19,531.65/26,955.35 = 11,035.34/x
  3. Step 3: Cross multiply
    19,531.65x = 26,955.35 × 11,035.34
  4. Step 4: Simplify right side
    19,531.65x = 297,461,262.12
  5. Step 5: Solve for x
    x = 297,461,262.12/19,531.65
  6. Step 6: Final answer
    x = 15,229.70

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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.