Home / 18,813.84-25,963.02-10,430.34

Finding the Fourth Proportional to 18,813.84, 25,963.02 and 10,430.34

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Solution

The fourth proportional to 18,813.84, 25,963.02 and 10,430.34 is: 14,393.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813.84 : 25,963.02 = 10,430.34 : x
  2. Step 2: Convert to fraction form
    18,813.84/25,963.02 = 10,430.34/x
  3. Step 3: Cross multiply
    18,813.84x = 25,963.02 × 10,430.34
  4. Step 4: Simplify right side
    18,813.84x = 270,803,126.03
  5. Step 5: Solve for x
    x = 270,803,126.03/18,813.84
  6. Step 6: Final answer
    x = 14,393.83

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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.