Home / 14,066.19-21,109.55-10,378.35

Finding the Fourth Proportional to 14,066.19, 21,109.55 and 10,378.35

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Solution

The fourth proportional to 14,066.19, 21,109.55 and 10,378.35 is: 15,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.19 : 21,109.55 = 10,378.35 : x
  2. Step 2: Convert to fraction form
    14,066.19/21,109.55 = 10,378.35/x
  3. Step 3: Cross multiply
    14,066.19x = 21,109.55 × 10,378.35
  4. Step 4: Simplify right side
    14,066.19x = 219,082,246.35
  5. Step 5: Solve for x
    x = 219,082,246.35/14,066.19
  6. Step 6: Final answer
    x = 15,575.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.