Home / 15,567.32-21,483.54-8,854.13

Finding the Fourth Proportional to 15,567.32, 21,483.54 and 8,854.13

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Solution

The fourth proportional to 15,567.32, 21,483.54 and 8,854.13 is: 12,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.32 : 21,483.54 = 8,854.13 : x
  2. Step 2: Convert to fraction form
    15,567.32/21,483.54 = 8,854.13/x
  3. Step 3: Cross multiply
    15,567.32x = 21,483.54 × 8,854.13
  4. Step 4: Simplify right side
    15,567.32x = 190,218,056.02
  5. Step 5: Solve for x
    x = 190,218,056.02/15,567.32
  6. Step 6: Final answer
    x = 12,219.06

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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.