Home / 20,284.02-30,436.56-9,895.50

Finding the Fourth Proportional to 20,284.02, 30,436.56 and 9,895.50

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Solution

The fourth proportional to 20,284.02, 30,436.56 and 9,895.50 is: 14,848.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.02 : 30,436.56 = 9,895.50 : x
  2. Step 2: Convert to fraction form
    20,284.02/30,436.56 = 9,895.50/x
  3. Step 3: Cross multiply
    20,284.02x = 30,436.56 × 9,895.50
  4. Step 4: Simplify right side
    20,284.02x = 301,184,979.48
  5. Step 5: Solve for x
    x = 301,184,979.48/20,284.02
  6. Step 6: Final answer
    x = 14,848.39

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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.