Home / 19,180.84-26,459.46-12,457.48

Finding the Fourth Proportional to 19,180.84, 26,459.46 and 12,457.48

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Solution

The fourth proportional to 19,180.84, 26,459.46 and 12,457.48 is: 17,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.84 : 26,459.46 = 12,457.48 : x
  2. Step 2: Convert to fraction form
    19,180.84/26,459.46 = 12,457.48/x
  3. Step 3: Cross multiply
    19,180.84x = 26,459.46 × 12,457.48
  4. Step 4: Simplify right side
    19,180.84x = 329,618,193.76
  5. Step 5: Solve for x
    x = 329,618,193.76/19,180.84
  6. Step 6: Final answer
    x = 17,184.76

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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.