Home / 12,888.08-19,337.00-4,988.42

Finding the Fourth Proportional to 12,888.08, 19,337.00 and 4,988.42

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Solution

The fourth proportional to 12,888.08, 19,337.00 and 4,988.42 is: 7,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888.08 : 19,337.00 = 4,988.42 : x
  2. Step 2: Convert to fraction form
    12,888.08/19,337.00 = 4,988.42/x
  3. Step 3: Cross multiply
    12,888.08x = 19,337.00 × 4,988.42
  4. Step 4: Simplify right side
    12,888.08x = 96,460,955.91
  5. Step 5: Solve for x
    x = 96,460,955.91/12,888.08
  6. Step 6: Final answer
    x = 7,484.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.