Home / 14,357.58-21,490.26-7,677.36

Finding the Fourth Proportional to 14,357.58, 21,490.26 and 7,677.36

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Solution

The fourth proportional to 14,357.58, 21,490.26 and 7,677.36 is: 11,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.58 : 21,490.26 = 7,677.36 : x
  2. Step 2: Convert to fraction form
    14,357.58/21,490.26 = 7,677.36/x
  3. Step 3: Cross multiply
    14,357.58x = 21,490.26 × 7,677.36
  4. Step 4: Simplify right side
    14,357.58x = 164,988,416.47
  5. Step 5: Solve for x
    x = 164,988,416.47/14,357.58
  6. Step 6: Final answer
    x = 11,491.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.