Home / 14,014-19,339.48-9,771.28

Finding the Fourth Proportional to 14,014, 19,339.48 and 9,771.28

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Solution

The fourth proportional to 14,014, 19,339.48 and 9,771.28 is: 13,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014 : 19,339.48 = 9,771.28 : x
  2. Step 2: Convert to fraction form
    14,014/19,339.48 = 9,771.28/x
  3. Step 3: Cross multiply
    14,014x = 19,339.48 × 9,771.28
  4. Step 4: Simplify right side
    14,014x = 188,971,474.13
  5. Step 5: Solve for x
    x = 188,971,474.13/14,014
  6. Step 6: Final answer
    x = 13,484.48

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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.