Home / 14,390.02-21,557.37-8,827.15

Finding the Fourth Proportional to 14,390.02, 21,557.37 and 8,827.15

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Solution

The fourth proportional to 14,390.02, 21,557.37 and 8,827.15 is: 13,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.02 : 21,557.37 = 8,827.15 : x
  2. Step 2: Convert to fraction form
    14,390.02/21,557.37 = 8,827.15/x
  3. Step 3: Cross multiply
    14,390.02x = 21,557.37 × 8,827.15
  4. Step 4: Simplify right side
    14,390.02x = 190,290,138.60
  5. Step 5: Solve for x
    x = 190,290,138.60/14,390.02
  6. Step 6: Final answer
    x = 13,223.76

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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.