Home / 14,486.87-21,621.69-13,541.02

Finding the Fourth Proportional to 14,486.87, 21,621.69 and 13,541.02

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Solution

The fourth proportional to 14,486.87, 21,621.69 and 13,541.02 is: 20,210.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.87 : 21,621.69 = 13,541.02 : x
  2. Step 2: Convert to fraction form
    14,486.87/21,621.69 = 13,541.02/x
  3. Step 3: Cross multiply
    14,486.87x = 21,621.69 × 13,541.02
  4. Step 4: Simplify right side
    14,486.87x = 292,779,628.62
  5. Step 5: Solve for x
    x = 292,779,628.62/14,486.87
  6. Step 6: Final answer
    x = 20,210.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.