Home / 13,950.01-19,254.36-7,985.13

Finding the Fourth Proportional to 13,950.01, 19,254.36 and 7,985.13

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Solution

The fourth proportional to 13,950.01, 19,254.36 and 7,985.13 is: 11,021.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.01 : 19,254.36 = 7,985.13 : x
  2. Step 2: Convert to fraction form
    13,950.01/19,254.36 = 7,985.13/x
  3. Step 3: Cross multiply
    13,950.01x = 19,254.36 × 7,985.13
  4. Step 4: Simplify right side
    13,950.01x = 153,748,567.67
  5. Step 5: Solve for x
    x = 153,748,567.67/13,950.01
  6. Step 6: Final answer
    x = 11,021.39

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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.