Home / 15,756.36-23,519.24-13,888.10

Finding the Fourth Proportional to 15,756.36, 23,519.24 and 13,888.10

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Solution

The fourth proportional to 15,756.36, 23,519.24 and 13,888.10 is: 20,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756.36 : 23,519.24 = 13,888.10 : x
  2. Step 2: Convert to fraction form
    15,756.36/23,519.24 = 13,888.10/x
  3. Step 3: Cross multiply
    15,756.36x = 23,519.24 × 13,888.10
  4. Step 4: Simplify right side
    15,756.36x = 326,637,557.04
  5. Step 5: Solve for x
    x = 326,637,557.04/15,756.36
  6. Step 6: Final answer
    x = 20,730.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.