Home / 14,276.21-19,688.15-12,258.99

Finding the Fourth Proportional to 14,276.21, 19,688.15 and 12,258.99

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Solution

The fourth proportional to 14,276.21, 19,688.15 and 12,258.99 is: 16,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.21 : 19,688.15 = 12,258.99 : x
  2. Step 2: Convert to fraction form
    14,276.21/19,688.15 = 12,258.99/x
  3. Step 3: Cross multiply
    14,276.21x = 19,688.15 × 12,258.99
  4. Step 4: Simplify right side
    14,276.21x = 241,356,864.62
  5. Step 5: Solve for x
    x = 241,356,864.62/14,276.21
  6. Step 6: Final answer
    x = 16,906.23

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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.