Home / 14,015.95-21,022.71-4,652.92

Finding the Fourth Proportional to 14,015.95, 21,022.71 and 4,652.92

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Solution

The fourth proportional to 14,015.95, 21,022.71 and 4,652.92 is: 6,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.95 : 21,022.71 = 4,652.92 : x
  2. Step 2: Convert to fraction form
    14,015.95/21,022.71 = 4,652.92/x
  3. Step 3: Cross multiply
    14,015.95x = 21,022.71 × 4,652.92
  4. Step 4: Simplify right side
    14,015.95x = 97,816,987.81
  5. Step 5: Solve for x
    x = 97,816,987.81/14,015.95
  6. Step 6: Final answer
    x = 6,978.98

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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.