Home / 9,420.42-14,130.69-2,400.45

Finding the Fourth Proportional to 9,420.42, 14,130.69 and 2,400.45

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Solution

The fourth proportional to 9,420.42, 14,130.69 and 2,400.45 is: 3,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.42 : 14,130.69 = 2,400.45 : x
  2. Step 2: Convert to fraction form
    9,420.42/14,130.69 = 2,400.45/x
  3. Step 3: Cross multiply
    9,420.42x = 14,130.69 × 2,400.45
  4. Step 4: Simplify right side
    9,420.42x = 33,920,014.81
  5. Step 5: Solve for x
    x = 33,920,014.81/9,420.42
  6. Step 6: Final answer
    x = 3,600.69

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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.