Home / 13,127.74-19,669.69-9,225.16

Finding the Fourth Proportional to 13,127.74, 19,669.69 and 9,225.16

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Solution

The fourth proportional to 13,127.74, 19,669.69 and 9,225.16 is: 13,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.74 : 19,669.69 = 9,225.16 : x
  2. Step 2: Convert to fraction form
    13,127.74/19,669.69 = 9,225.16/x
  3. Step 3: Cross multiply
    13,127.74x = 19,669.69 × 9,225.16
  4. Step 4: Simplify right side
    13,127.74x = 181,456,037.40
  5. Step 5: Solve for x
    x = 181,456,037.40/13,127.74
  6. Step 6: Final answer
    x = 13,822.34

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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.