Home / 13,840.95-20,751.35-9,444.63

Finding the Fourth Proportional to 13,840.95, 20,751.35 and 9,444.63

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Solution

The fourth proportional to 13,840.95, 20,751.35 and 9,444.63 is: 14,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.95 : 20,751.35 = 9,444.63 : x
  2. Step 2: Convert to fraction form
    13,840.95/20,751.35 = 9,444.63/x
  3. Step 3: Cross multiply
    13,840.95x = 20,751.35 × 9,444.63
  4. Step 4: Simplify right side
    13,840.95x = 195,988,775.53
  5. Step 5: Solve for x
    x = 195,988,775.53/13,840.95
  6. Step 6: Final answer
    x = 14,160.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.