Home / 13,790.04-19,012.50-10,018.68

Finding the Fourth Proportional to 13,790.04, 19,012.50 and 10,018.68

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Solution

The fourth proportional to 13,790.04, 19,012.50 and 10,018.68 is: 13,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.04 : 19,012.50 = 10,018.68 : x
  2. Step 2: Convert to fraction form
    13,790.04/19,012.50 = 10,018.68/x
  3. Step 3: Cross multiply
    13,790.04x = 19,012.50 × 10,018.68
  4. Step 4: Simplify right side
    13,790.04x = 190,480,153.50
  5. Step 5: Solve for x
    x = 190,480,153.50/13,790.04
  6. Step 6: Final answer
    x = 13,812.88

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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.