Home / 12,965.52-19,457.98-9,216.84

Finding the Fourth Proportional to 12,965.52, 19,457.98 and 9,216.84

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Solution

The fourth proportional to 12,965.52, 19,457.98 and 9,216.84 is: 13,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965.52 : 19,457.98 = 9,216.84 : x
  2. Step 2: Convert to fraction form
    12,965.52/19,457.98 = 9,216.84/x
  3. Step 3: Cross multiply
    12,965.52x = 19,457.98 × 9,216.84
  4. Step 4: Simplify right side
    12,965.52x = 179,341,088.38
  5. Step 5: Solve for x
    x = 179,341,088.38/12,965.52
  6. Step 6: Final answer
    x = 13,832.16

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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.