Home / 13,987.08-19,296.63-9,737.01

Finding the Fourth Proportional to 13,987.08, 19,296.63 and 9,737.01

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Solution

The fourth proportional to 13,987.08, 19,296.63 and 9,737.01 is: 13,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,987.08 : 19,296.63 = 9,737.01 : x
  2. Step 2: Convert to fraction form
    13,987.08/19,296.63 = 9,737.01/x
  3. Step 3: Cross multiply
    13,987.08x = 19,296.63 × 9,737.01
  4. Step 4: Simplify right side
    13,987.08x = 187,891,479.28
  5. Step 5: Solve for x
    x = 187,891,479.28/13,987.08
  6. Step 6: Final answer
    x = 13,433.22

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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.