Home / 14,970.69-22,448.21-6,647.13

Finding the Fourth Proportional to 14,970.69, 22,448.21 and 6,647.13

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Solution

The fourth proportional to 14,970.69, 22,448.21 and 6,647.13 is: 9,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.69 : 22,448.21 = 6,647.13 : x
  2. Step 2: Convert to fraction form
    14,970.69/22,448.21 = 6,647.13/x
  3. Step 3: Cross multiply
    14,970.69x = 22,448.21 × 6,647.13
  4. Step 4: Simplify right side
    14,970.69x = 149,216,136.90
  5. Step 5: Solve for x
    x = 149,216,136.90/14,970.69
  6. Step 6: Final answer
    x = 9,967.22

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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.