Home / 13,099.23-19,588.48-9,728.38

Finding the Fourth Proportional to 13,099.23, 19,588.48 and 9,728.38

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Solution

The fourth proportional to 13,099.23, 19,588.48 and 9,728.38 is: 14,547.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.23 : 19,588.48 = 9,728.38 : x
  2. Step 2: Convert to fraction form
    13,099.23/19,588.48 = 9,728.38/x
  3. Step 3: Cross multiply
    13,099.23x = 19,588.48 × 9,728.38
  4. Step 4: Simplify right side
    13,099.23x = 190,564,277.92
  5. Step 5: Solve for x
    x = 190,564,277.92/13,099.23
  6. Step 6: Final answer
    x = 14,547.75

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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.