Home / 13,130.33-19,688.92-4,362.17

Finding the Fourth Proportional to 13,130.33, 19,688.92 and 4,362.17

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Solution

The fourth proportional to 13,130.33, 19,688.92 and 4,362.17 is: 6,541.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.33 : 19,688.92 = 4,362.17 : x
  2. Step 2: Convert to fraction form
    13,130.33/19,688.92 = 4,362.17/x
  3. Step 3: Cross multiply
    13,130.33x = 19,688.92 × 4,362.17
  4. Step 4: Simplify right side
    13,130.33x = 85,886,416.16
  5. Step 5: Solve for x
    x = 85,886,416.16/13,130.33
  6. Step 6: Final answer
    x = 6,541.07

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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.