Home / 9,685.02-14,527.80-3,111.60

Finding the Fourth Proportional to 9,685.02, 14,527.80 and 3,111.60

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Solution

The fourth proportional to 9,685.02, 14,527.80 and 3,111.60 is: 4,667.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.02 : 14,527.80 = 3,111.60 : x
  2. Step 2: Convert to fraction form
    9,685.02/14,527.80 = 3,111.60/x
  3. Step 3: Cross multiply
    9,685.02x = 14,527.80 × 3,111.60
  4. Step 4: Simplify right side
    9,685.02x = 45,204,702.48
  5. Step 5: Solve for x
    x = 45,204,702.48/9,685.02
  6. Step 6: Final answer
    x = 4,667.49

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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.