Home / 15,322.77-21,145.59-9,035.01

Finding the Fourth Proportional to 15,322.77, 21,145.59 and 9,035.01

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Solution

The fourth proportional to 15,322.77, 21,145.59 and 9,035.01 is: 12,468.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322.77 : 21,145.59 = 9,035.01 : x
  2. Step 2: Convert to fraction form
    15,322.77/21,145.59 = 9,035.01/x
  3. Step 3: Cross multiply
    15,322.77x = 21,145.59 × 9,035.01
  4. Step 4: Simplify right side
    15,322.77x = 191,050,617.11
  5. Step 5: Solve for x
    x = 191,050,617.11/15,322.77
  6. Step 6: Final answer
    x = 12,468.41

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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.