Home / 14,246.89-21,362.77-7,130.01

Finding the Fourth Proportional to 14,246.89, 21,362.77 and 7,130.01

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Solution

The fourth proportional to 14,246.89, 21,362.77 and 7,130.01 is: 10,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246.89 : 21,362.77 = 7,130.01 : x
  2. Step 2: Convert to fraction form
    14,246.89/21,362.77 = 7,130.01/x
  3. Step 3: Cross multiply
    14,246.89x = 21,362.77 × 7,130.01
  4. Step 4: Simplify right side
    14,246.89x = 152,316,763.73
  5. Step 5: Solve for x
    x = 152,316,763.73/14,246.89
  6. Step 6: Final answer
    x = 10,691.23

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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.