Home / 13,985.93-19,303.18-8,017.65

Finding the Fourth Proportional to 13,985.93, 19,303.18 and 8,017.65

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Solution

The fourth proportional to 13,985.93, 19,303.18 and 8,017.65 is: 11,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.93 : 19,303.18 = 8,017.65 : x
  2. Step 2: Convert to fraction form
    13,985.93/19,303.18 = 8,017.65/x
  3. Step 3: Cross multiply
    13,985.93x = 19,303.18 × 8,017.65
  4. Step 4: Simplify right side
    13,985.93x = 154,766,121.08
  5. Step 5: Solve for x
    x = 154,766,121.08/13,985.93
  6. Step 6: Final answer
    x = 11,065.84

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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.