Home / 14,528.07-20,045.63-8,557.56

Finding the Fourth Proportional to 14,528.07, 20,045.63 and 8,557.56

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Solution

The fourth proportional to 14,528.07, 20,045.63 and 8,557.56 is: 11,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.07 : 20,045.63 = 8,557.56 : x
  2. Step 2: Convert to fraction form
    14,528.07/20,045.63 = 8,557.56/x
  3. Step 3: Cross multiply
    14,528.07x = 20,045.63 × 8,557.56
  4. Step 4: Simplify right side
    14,528.07x = 171,541,638.68
  5. Step 5: Solve for x
    x = 171,541,638.68/14,528.07
  6. Step 6: Final answer
    x = 11,807.60

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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.