Home / 19,569.55-26,987.58-13,197.18

Finding the Fourth Proportional to 19,569.55, 26,987.58 and 13,197.18

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Solution

The fourth proportional to 19,569.55, 26,987.58 and 13,197.18 is: 18,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.55 : 26,987.58 = 13,197.18 : x
  2. Step 2: Convert to fraction form
    19,569.55/26,987.58 = 13,197.18/x
  3. Step 3: Cross multiply
    19,569.55x = 26,987.58 × 13,197.18
  4. Step 4: Simplify right side
    19,569.55x = 356,159,900.42
  5. Step 5: Solve for x
    x = 356,159,900.42/19,569.55
  6. Step 6: Final answer
    x = 18,199.70

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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.