Home / 13,566.64-18,721.46-7,598.02

Finding the Fourth Proportional to 13,566.64, 18,721.46 and 7,598.02

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Solution

The fourth proportional to 13,566.64, 18,721.46 and 7,598.02 is: 10,484.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.64 : 18,721.46 = 7,598.02 : x
  2. Step 2: Convert to fraction form
    13,566.64/18,721.46 = 7,598.02/x
  3. Step 3: Cross multiply
    13,566.64x = 18,721.46 × 7,598.02
  4. Step 4: Simplify right side
    13,566.64x = 142,246,027.51
  5. Step 5: Solve for x
    x = 142,246,027.51/13,566.64
  6. Step 6: Final answer
    x = 10,484.99

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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.