Home / 13,962.40-20,943.60-4,602.40

Finding the Fourth Proportional to 13,962.40, 20,943.60 and 4,602.40

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Solution

The fourth proportional to 13,962.40, 20,943.60 and 4,602.40 is: 6,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.40 : 20,943.60 = 4,602.40 : x
  2. Step 2: Convert to fraction form
    13,962.40/20,943.60 = 4,602.40/x
  3. Step 3: Cross multiply
    13,962.40x = 20,943.60 × 4,602.40
  4. Step 4: Simplify right side
    13,962.40x = 96,390,824.64
  5. Step 5: Solve for x
    x = 96,390,824.64/13,962.40
  6. Step 6: Final answer
    x = 6,903.60

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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.