Home / 15,019.95-20,705.43-11,823.01

Finding the Fourth Proportional to 15,019.95, 20,705.43 and 11,823.01

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Solution

The fourth proportional to 15,019.95, 20,705.43 and 11,823.01 is: 16,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.95 : 20,705.43 = 11,823.01 : x
  2. Step 2: Convert to fraction form
    15,019.95/20,705.43 = 11,823.01/x
  3. Step 3: Cross multiply
    15,019.95x = 20,705.43 × 11,823.01
  4. Step 4: Simplify right side
    15,019.95x = 244,800,498.52
  5. Step 5: Solve for x
    x = 244,800,498.52/15,019.95
  6. Step 6: Final answer
    x = 16,298.35

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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.