Home / 13,439.64-18,498.96-9,848.28

Finding the Fourth Proportional to 13,439.64, 18,498.96 and 9,848.28

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Solution

The fourth proportional to 13,439.64, 18,498.96 and 9,848.28 is: 13,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439.64 : 18,498.96 = 9,848.28 : x
  2. Step 2: Convert to fraction form
    13,439.64/18,498.96 = 9,848.28/x
  3. Step 3: Cross multiply
    13,439.64x = 18,498.96 × 9,848.28
  4. Step 4: Simplify right side
    13,439.64x = 182,182,937.79
  5. Step 5: Solve for x
    x = 182,182,937.79/13,439.64
  6. Step 6: Final answer
    x = 13,555.64

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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.