Home / 14,953.95-20,646.39-9,297.15

Finding the Fourth Proportional to 14,953.95, 20,646.39 and 9,297.15

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Solution

The fourth proportional to 14,953.95, 20,646.39 and 9,297.15 is: 12,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.95 : 20,646.39 = 9,297.15 : x
  2. Step 2: Convert to fraction form
    14,953.95/20,646.39 = 9,297.15/x
  3. Step 3: Cross multiply
    14,953.95x = 20,646.39 × 9,297.15
  4. Step 4: Simplify right side
    14,953.95x = 191,952,584.79
  5. Step 5: Solve for x
    x = 191,952,584.79/14,953.95
  6. Step 6: Final answer
    x = 12,836.25

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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.