Home / 13,722.84-18,937.47-7,435.23

Finding the Fourth Proportional to 13,722.84, 18,937.47 and 7,435.23

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Solution

The fourth proportional to 13,722.84, 18,937.47 and 7,435.23 is: 10,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.84 : 18,937.47 = 7,435.23 : x
  2. Step 2: Convert to fraction form
    13,722.84/18,937.47 = 7,435.23/x
  3. Step 3: Cross multiply
    13,722.84x = 18,937.47 × 7,435.23
  4. Step 4: Simplify right side
    13,722.84x = 140,804,445.07
  5. Step 5: Solve for x
    x = 140,804,445.07/13,722.84
  6. Step 6: Final answer
    x = 10,260.59

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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.