Home / 14,383.84-21,547.51-12,816.49

Finding the Fourth Proportional to 14,383.84, 21,547.51 and 12,816.49

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Solution

The fourth proportional to 14,383.84, 21,547.51 and 12,816.49 is: 19,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.84 : 21,547.51 = 12,816.49 : x
  2. Step 2: Convert to fraction form
    14,383.84/21,547.51 = 12,816.49/x
  3. Step 3: Cross multiply
    14,383.84x = 21,547.51 × 12,816.49
  4. Step 4: Simplify right side
    14,383.84x = 276,163,360.53
  5. Step 5: Solve for x
    x = 276,163,360.53/14,383.84
  6. Step 6: Final answer
    x = 19,199.56

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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.