Home / 19,567.42-26,993.05-12,385.20

Finding the Fourth Proportional to 19,567.42, 26,993.05 and 12,385.20

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Solution

The fourth proportional to 19,567.42, 26,993.05 and 12,385.20 is: 17,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,567.42 : 26,993.05 = 12,385.20 : x
  2. Step 2: Convert to fraction form
    19,567.42/26,993.05 = 12,385.20/x
  3. Step 3: Cross multiply
    19,567.42x = 26,993.05 × 12,385.20
  4. Step 4: Simplify right side
    19,567.42x = 334,314,393.12
  5. Step 5: Solve for x
    x = 334,314,393.12/19,567.42
  6. Step 6: Final answer
    x = 17,085.25

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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.