Home / 14,430.03-19,907.82-9,717.45

Finding the Fourth Proportional to 14,430.03, 19,907.82 and 9,717.45

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Solution

The fourth proportional to 14,430.03, 19,907.82 and 9,717.45 is: 13,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.03 : 19,907.82 = 9,717.45 : x
  2. Step 2: Convert to fraction form
    14,430.03/19,907.82 = 9,717.45/x
  3. Step 3: Cross multiply
    14,430.03x = 19,907.82 × 9,717.45
  4. Step 4: Simplify right side
    14,430.03x = 193,453,245.46
  5. Step 5: Solve for x
    x = 193,453,245.46/14,430.03
  6. Step 6: Final answer
    x = 13,406.30

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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.