Home / 19,109.10-26,369.67-10,611.76

Finding the Fourth Proportional to 19,109.10, 26,369.67 and 10,611.76

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Solution

The fourth proportional to 19,109.10, 26,369.67 and 10,611.76 is: 14,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.10 : 26,369.67 = 10,611.76 : x
  2. Step 2: Convert to fraction form
    19,109.10/26,369.67 = 10,611.76/x
  3. Step 3: Cross multiply
    19,109.10x = 26,369.67 × 10,611.76
  4. Step 4: Simplify right side
    19,109.10x = 279,828,682.08
  5. Step 5: Solve for x
    x = 279,828,682.08/19,109.10
  6. Step 6: Final answer
    x = 14,643.74

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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.