Home / 15,448.69-21,317.23-10,068.67

Finding the Fourth Proportional to 15,448.69, 21,317.23 and 10,068.67

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Solution

The fourth proportional to 15,448.69, 21,317.23 and 10,068.67 is: 13,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.69 : 21,317.23 = 10,068.67 : x
  2. Step 2: Convert to fraction form
    15,448.69/21,317.23 = 10,068.67/x
  3. Step 3: Cross multiply
    15,448.69x = 21,317.23 × 10,068.67
  4. Step 4: Simplify right side
    15,448.69x = 214,636,136.78
  5. Step 5: Solve for x
    x = 214,636,136.78/15,448.69
  6. Step 6: Final answer
    x = 13,893.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.