Home / 14,186.88-19,581.12-9,210.24

Finding the Fourth Proportional to 14,186.88, 19,581.12 and 9,210.24

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Solution

The fourth proportional to 14,186.88, 19,581.12 and 9,210.24 is: 12,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.88 : 19,581.12 = 9,210.24 : x
  2. Step 2: Convert to fraction form
    14,186.88/19,581.12 = 9,210.24/x
  3. Step 3: Cross multiply
    14,186.88x = 19,581.12 × 9,210.24
  4. Step 4: Simplify right side
    14,186.88x = 180,346,814.67
  5. Step 5: Solve for x
    x = 180,346,814.67/14,186.88
  6. Step 6: Final answer
    x = 12,712.23

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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.