Home / 14,421.24-19,935.18-10,265.40

Finding the Fourth Proportional to 14,421.24, 19,935.18 and 10,265.40

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Solution

The fourth proportional to 14,421.24, 19,935.18 and 10,265.40 is: 14,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.24 : 19,935.18 = 10,265.40 : x
  2. Step 2: Convert to fraction form
    14,421.24/19,935.18 = 10,265.40/x
  3. Step 3: Cross multiply
    14,421.24x = 19,935.18 × 10,265.40
  4. Step 4: Simplify right side
    14,421.24x = 204,642,596.77
  5. Step 5: Solve for x
    x = 204,642,596.77/14,421.24
  6. Step 6: Final answer
    x = 14,190.36

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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.