Home / 13,933.63-19,228.74-7,646

Finding the Fourth Proportional to 13,933.63, 19,228.74 and 7,646

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Solution

The fourth proportional to 13,933.63, 19,228.74 and 7,646 is: 10,551.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.63 : 19,228.74 = 7,646 : x
  2. Step 2: Convert to fraction form
    13,933.63/19,228.74 = 7,646/x
  3. Step 3: Cross multiply
    13,933.63x = 19,228.74 × 7,646
  4. Step 4: Simplify right side
    13,933.63x = 147,022,946.04
  5. Step 5: Solve for x
    x = 147,022,946.04/13,933.63
  6. Step 6: Final answer
    x = 10,551.66

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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.