Home / 15,541.36-21,448.63-9,491.27

Finding the Fourth Proportional to 15,541.36, 21,448.63 and 9,491.27

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Solution

The fourth proportional to 15,541.36, 21,448.63 and 9,491.27 is: 13,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.36 : 21,448.63 = 9,491.27 : x
  2. Step 2: Convert to fraction form
    15,541.36/21,448.63 = 9,491.27/x
  3. Step 3: Cross multiply
    15,541.36x = 21,448.63 × 9,491.27
  4. Step 4: Simplify right side
    15,541.36x = 203,574,583.76
  5. Step 5: Solve for x
    x = 203,574,583.76/15,541.36
  6. Step 6: Final answer
    x = 13,098.89

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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.