Home / 13,569.02-18,736.06-9,036.12

Finding the Fourth Proportional to 13,569.02, 18,736.06 and 9,036.12

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Solution

The fourth proportional to 13,569.02, 18,736.06 and 9,036.12 is: 12,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.02 : 18,736.06 = 9,036.12 : x
  2. Step 2: Convert to fraction form
    13,569.02/18,736.06 = 9,036.12/x
  3. Step 3: Cross multiply
    13,569.02x = 18,736.06 × 9,036.12
  4. Step 4: Simplify right side
    13,569.02x = 169,301,286.49
  5. Step 5: Solve for x
    x = 169,301,286.49/13,569.02
  6. Step 6: Final answer
    x = 12,477.05

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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.