Home / 14,275.77-19,687.47-12,258.50

Finding the Fourth Proportional to 14,275.77, 19,687.47 and 12,258.50

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Solution

The fourth proportional to 14,275.77, 19,687.47 and 12,258.50 is: 16,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.77 : 19,687.47 = 12,258.50 : x
  2. Step 2: Convert to fraction form
    14,275.77/19,687.47 = 12,258.50/x
  3. Step 3: Cross multiply
    14,275.77x = 19,687.47 × 12,258.50
  4. Step 4: Simplify right side
    14,275.77x = 241,338,752.56
  5. Step 5: Solve for x
    x = 241,338,752.56/14,275.77
  6. Step 6: Final answer
    x = 16,905.48

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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.