Home / 13,290.02-18,357.74-9,927

Finding the Fourth Proportional to 13,290.02, 18,357.74 and 9,927

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Solution

The fourth proportional to 13,290.02, 18,357.74 and 9,927 is: 13,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.02 : 18,357.74 = 9,927 : x
  2. Step 2: Convert to fraction form
    13,290.02/18,357.74 = 9,927/x
  3. Step 3: Cross multiply
    13,290.02x = 18,357.74 × 9,927
  4. Step 4: Simplify right side
    13,290.02x = 182,237,235.35
  5. Step 5: Solve for x
    x = 182,237,235.35/13,290.02
  6. Step 6: Final answer
    x = 13,712.34

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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.