Home / 14,177.36-19,564.44-7,890.32

Finding the Fourth Proportional to 14,177.36, 19,564.44 and 7,890.32

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Solution

The fourth proportional to 14,177.36, 19,564.44 and 7,890.32 is: 10,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.36 : 19,564.44 = 7,890.32 : x
  2. Step 2: Convert to fraction form
    14,177.36/19,564.44 = 7,890.32/x
  3. Step 3: Cross multiply
    14,177.36x = 19,564.44 × 7,890.32
  4. Step 4: Simplify right side
    14,177.36x = 154,369,692.22
  5. Step 5: Solve for x
    x = 154,369,692.22/14,177.36
  6. Step 6: Final answer
    x = 10,888.47

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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.