Home / 18,374.34-25,368.75-14,117.79

Finding the Fourth Proportional to 18,374.34, 25,368.75 and 14,117.79

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Solution

The fourth proportional to 18,374.34, 25,368.75 and 14,117.79 is: 19,491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.34 : 25,368.75 = 14,117.79 : x
  2. Step 2: Convert to fraction form
    18,374.34/25,368.75 = 14,117.79/x
  3. Step 3: Cross multiply
    18,374.34x = 25,368.75 × 14,117.79
  4. Step 4: Simplify right side
    18,374.34x = 358,150,685.06
  5. Step 5: Solve for x
    x = 358,150,685.06/18,374.34
  6. Step 6: Final answer
    x = 19,491.89

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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.