Home / 14,269.57-21,410.47-5,510.63

Finding the Fourth Proportional to 14,269.57, 21,410.47 and 5,510.63

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Solution

The fourth proportional to 14,269.57, 21,410.47 and 5,510.63 is: 8,268.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.57 : 21,410.47 = 5,510.63 : x
  2. Step 2: Convert to fraction form
    14,269.57/21,410.47 = 5,510.63/x
  3. Step 3: Cross multiply
    14,269.57x = 21,410.47 × 5,510.63
  4. Step 4: Simplify right side
    14,269.57x = 117,985,178.30
  5. Step 5: Solve for x
    x = 117,985,178.30/14,269.57
  6. Step 6: Final answer
    x = 8,268.31

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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.