Home / 9,420.81-14,136.89-3,577.47

Finding the Fourth Proportional to 9,420.81, 14,136.89 and 3,577.47

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Solution

The fourth proportional to 9,420.81, 14,136.89 and 3,577.47 is: 5,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.81 : 14,136.89 = 3,577.47 : x
  2. Step 2: Convert to fraction form
    9,420.81/14,136.89 = 3,577.47/x
  3. Step 3: Cross multiply
    9,420.81x = 14,136.89 × 3,577.47
  4. Step 4: Simplify right side
    9,420.81x = 50,574,281.98
  5. Step 5: Solve for x
    x = 50,574,281.98/9,420.81
  6. Step 6: Final answer
    x = 5,368.36

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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.