Home / 14,139.04-19,510.40-7,850.24

Finding the Fourth Proportional to 14,139.04, 19,510.40 and 7,850.24

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Solution

The fourth proportional to 14,139.04, 19,510.40 and 7,850.24 is: 10,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.04 : 19,510.40 = 7,850.24 : x
  2. Step 2: Convert to fraction form
    14,139.04/19,510.40 = 7,850.24/x
  3. Step 3: Cross multiply
    14,139.04x = 19,510.40 × 7,850.24
  4. Step 4: Simplify right side
    14,139.04x = 153,161,322.50
  5. Step 5: Solve for x
    x = 153,161,322.50/14,139.04
  6. Step 6: Final answer
    x = 10,832.51

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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.