Home / 19,423.67-26,809.07-13,752.45

Finding the Fourth Proportional to 19,423.67, 26,809.07 and 13,752.45

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Solution

The fourth proportional to 19,423.67, 26,809.07 and 13,752.45 is: 18,981.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.67 : 26,809.07 = 13,752.45 : x
  2. Step 2: Convert to fraction form
    19,423.67/26,809.07 = 13,752.45/x
  3. Step 3: Cross multiply
    19,423.67x = 26,809.07 × 13,752.45
  4. Step 4: Simplify right side
    19,423.67x = 368,690,325.96
  5. Step 5: Solve for x
    x = 368,690,325.96/19,423.67
  6. Step 6: Final answer
    x = 18,981.50

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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.