Home / 14,829.20-22,207.80-7,888.40

Finding the Fourth Proportional to 14,829.20, 22,207.80 and 7,888.40

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Solution

The fourth proportional to 14,829.20, 22,207.80 and 7,888.40 is: 11,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,829.20 : 22,207.80 = 7,888.40 : x
  2. Step 2: Convert to fraction form
    14,829.20/22,207.80 = 7,888.40/x
  3. Step 3: Cross multiply
    14,829.20x = 22,207.80 × 7,888.40
  4. Step 4: Simplify right side
    14,829.20x = 175,184,009.52
  5. Step 5: Solve for x
    x = 175,184,009.52/14,829.20
  6. Step 6: Final answer
    x = 11,813.45

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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.