Home / 13,590.56-18,754.93-7,541.72

Finding the Fourth Proportional to 13,590.56, 18,754.93 and 7,541.72

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Solution

The fourth proportional to 13,590.56, 18,754.93 and 7,541.72 is: 10,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.56 : 18,754.93 = 7,541.72 : x
  2. Step 2: Convert to fraction form
    13,590.56/18,754.93 = 7,541.72/x
  3. Step 3: Cross multiply
    13,590.56x = 18,754.93 × 7,541.72
  4. Step 4: Simplify right side
    13,590.56x = 141,444,355.76
  5. Step 5: Solve for x
    x = 141,444,355.76/13,590.56
  6. Step 6: Final answer
    x = 10,407.55

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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.