Home / 13,026.16-19,538.61-4,259.92

Finding the Fourth Proportional to 13,026.16, 19,538.61 and 4,259.92

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Solution

The fourth proportional to 13,026.16, 19,538.61 and 4,259.92 is: 6,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.16 : 19,538.61 = 4,259.92 : x
  2. Step 2: Convert to fraction form
    13,026.16/19,538.61 = 4,259.92/x
  3. Step 3: Cross multiply
    13,026.16x = 19,538.61 × 4,259.92
  4. Step 4: Simplify right side
    13,026.16x = 83,232,915.51
  5. Step 5: Solve for x
    x = 83,232,915.51/13,026.16
  6. Step 6: Final answer
    x = 6,389.67

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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.