Home / 10,021.47-15,030.36-3,002.40

Finding the Fourth Proportional to 10,021.47, 15,030.36 and 3,002.40

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Solution

The fourth proportional to 10,021.47, 15,030.36 and 3,002.40 is: 4,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.47 : 15,030.36 = 3,002.40 : x
  2. Step 2: Convert to fraction form
    10,021.47/15,030.36 = 3,002.40/x
  3. Step 3: Cross multiply
    10,021.47x = 15,030.36 × 3,002.40
  4. Step 4: Simplify right side
    10,021.47x = 45,127,152.86
  5. Step 5: Solve for x
    x = 45,127,152.86/10,021.47
  6. Step 6: Final answer
    x = 4,503.05

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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.