Home / 13,835.08-19,089.30-12,655.72

Finding the Fourth Proportional to 13,835.08, 19,089.30 and 12,655.72

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Solution

The fourth proportional to 13,835.08, 19,089.30 and 12,655.72 is: 17,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.08 : 19,089.30 = 12,655.72 : x
  2. Step 2: Convert to fraction form
    13,835.08/19,089.30 = 12,655.72/x
  3. Step 3: Cross multiply
    13,835.08x = 19,089.30 × 12,655.72
  4. Step 4: Simplify right side
    13,835.08x = 241,588,835.80
  5. Step 5: Solve for x
    x = 241,588,835.80/13,835.08
  6. Step 6: Final answer
    x = 17,462.05

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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.