Home / 14,304.07-21,421.47-7,265.57

Finding the Fourth Proportional to 14,304.07, 21,421.47 and 7,265.57

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Solution

The fourth proportional to 14,304.07, 21,421.47 and 7,265.57 is: 10,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.07 : 21,421.47 = 7,265.57 : x
  2. Step 2: Convert to fraction form
    14,304.07/21,421.47 = 7,265.57/x
  3. Step 3: Cross multiply
    14,304.07x = 21,421.47 × 7,265.57
  4. Step 4: Simplify right side
    14,304.07x = 155,639,189.79
  5. Step 5: Solve for x
    x = 155,639,189.79/14,304.07
  6. Step 6: Final answer
    x = 10,880.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.