Home / 13,994.40-19,312.66-7,944.51

Finding the Fourth Proportional to 13,994.40, 19,312.66 and 7,944.51

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Solution

The fourth proportional to 13,994.40, 19,312.66 and 7,944.51 is: 10,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.40 : 19,312.66 = 7,944.51 : x
  2. Step 2: Convert to fraction form
    13,994.40/19,312.66 = 7,944.51/x
  3. Step 3: Cross multiply
    13,994.40x = 19,312.66 × 7,944.51
  4. Step 4: Simplify right side
    13,994.40x = 153,429,484.21
  5. Step 5: Solve for x
    x = 153,429,484.21/13,994.40
  6. Step 6: Final answer
    x = 10,963.63

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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.