Home / 14,320.57-19,762.36-7,948.14

Finding the Fourth Proportional to 14,320.57, 19,762.36 and 7,948.14

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Solution

The fourth proportional to 14,320.57, 19,762.36 and 7,948.14 is: 10,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.57 : 19,762.36 = 7,948.14 : x
  2. Step 2: Convert to fraction form
    14,320.57/19,762.36 = 7,948.14/x
  3. Step 3: Cross multiply
    14,320.57x = 19,762.36 × 7,948.14
  4. Step 4: Simplify right side
    14,320.57x = 157,074,004.01
  5. Step 5: Solve for x
    x = 157,074,004.01/14,320.57
  6. Step 6: Final answer
    x = 10,968.42

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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.