Home / 19,533.51-29,275.21-9,540.54

Finding the Fourth Proportional to 19,533.51, 29,275.21 and 9,540.54

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Solution

The fourth proportional to 19,533.51, 29,275.21 and 9,540.54 is: 14,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,533.51 : 29,275.21 = 9,540.54 : x
  2. Step 2: Convert to fraction form
    19,533.51/29,275.21 = 9,540.54/x
  3. Step 3: Cross multiply
    19,533.51x = 29,275.21 × 9,540.54
  4. Step 4: Simplify right side
    19,533.51x = 279,301,312.01
  5. Step 5: Solve for x
    x = 279,301,312.01/19,533.51
  6. Step 6: Final answer
    x = 14,298.57

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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.