Home / 13,559.64-18,702.64-12,444.18

Finding the Fourth Proportional to 13,559.64, 18,702.64 and 12,444.18

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Solution

The fourth proportional to 13,559.64, 18,702.64 and 12,444.18 is: 17,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.64 : 18,702.64 = 12,444.18 : x
  2. Step 2: Convert to fraction form
    13,559.64/18,702.64 = 12,444.18/x
  3. Step 3: Cross multiply
    13,559.64x = 18,702.64 × 12,444.18
  4. Step 4: Simplify right side
    13,559.64x = 232,739,018.64
  5. Step 5: Solve for x
    x = 232,739,018.64/13,559.64
  6. Step 6: Final answer
    x = 17,164.10

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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.