Home / 13,145.10-19,701.33-11,570.46

Finding the Fourth Proportional to 13,145.10, 19,701.33 and 11,570.46

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Solution

The fourth proportional to 13,145.10, 19,701.33 and 11,570.46 is: 17,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145.10 : 19,701.33 = 11,570.46 : x
  2. Step 2: Convert to fraction form
    13,145.10/19,701.33 = 11,570.46/x
  3. Step 3: Cross multiply
    13,145.10x = 19,701.33 × 11,570.46
  4. Step 4: Simplify right side
    13,145.10x = 227,953,450.71
  5. Step 5: Solve for x
    x = 227,953,450.71/13,145.10
  6. Step 6: Final answer
    x = 17,341.32

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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.