Home / 15,322.02-21,141.63-8,607.93

Finding the Fourth Proportional to 15,322.02, 21,141.63 and 8,607.93

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Solution

The fourth proportional to 15,322.02, 21,141.63 and 8,607.93 is: 11,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322.02 : 21,141.63 = 8,607.93 : x
  2. Step 2: Convert to fraction form
    15,322.02/21,141.63 = 8,607.93/x
  3. Step 3: Cross multiply
    15,322.02x = 21,141.63 × 8,607.93
  4. Step 4: Simplify right side
    15,322.02x = 181,985,671.13
  5. Step 5: Solve for x
    x = 181,985,671.13/15,322.02
  6. Step 6: Final answer
    x = 11,877.39

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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.