Home / 19,187.12-26,479.08-10,803.44

Finding the Fourth Proportional to 19,187.12, 26,479.08 and 10,803.44

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Solution

The fourth proportional to 19,187.12, 26,479.08 and 10,803.44 is: 14,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.12 : 26,479.08 = 10,803.44 : x
  2. Step 2: Convert to fraction form
    19,187.12/26,479.08 = 10,803.44/x
  3. Step 3: Cross multiply
    19,187.12x = 26,479.08 × 10,803.44
  4. Step 4: Simplify right side
    19,187.12x = 286,065,152.04
  5. Step 5: Solve for x
    x = 286,065,152.04/19,187.12
  6. Step 6: Final answer
    x = 14,909.23

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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.