Home / 15,102.02-20,837.43-9,133.58

Finding the Fourth Proportional to 15,102.02, 20,837.43 and 9,133.58

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Solution

The fourth proportional to 15,102.02, 20,837.43 and 9,133.58 is: 12,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.02 : 20,837.43 = 9,133.58 : x
  2. Step 2: Convert to fraction form
    15,102.02/20,837.43 = 9,133.58/x
  3. Step 3: Cross multiply
    15,102.02x = 20,837.43 × 9,133.58
  4. Step 4: Simplify right side
    15,102.02x = 190,320,385.99
  5. Step 5: Solve for x
    x = 190,320,385.99/15,102.02
  6. Step 6: Final answer
    x = 12,602.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.