Home / 14,909.42-20,570.51-8,938.91

Finding the Fourth Proportional to 14,909.42, 20,570.51 and 8,938.91

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Solution

The fourth proportional to 14,909.42, 20,570.51 and 8,938.91 is: 12,333.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.42 : 20,570.51 = 8,938.91 : x
  2. Step 2: Convert to fraction form
    14,909.42/20,570.51 = 8,938.91/x
  3. Step 3: Cross multiply
    14,909.42x = 20,570.51 × 8,938.91
  4. Step 4: Simplify right side
    14,909.42x = 183,877,790.00
  5. Step 5: Solve for x
    x = 183,877,790.00/14,909.42
  6. Step 6: Final answer
    x = 12,333.00

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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.