Home / 14,901.09-20,569.35-8,931.60

Finding the Fourth Proportional to 14,901.09, 20,569.35 and 8,931.60

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Solution

The fourth proportional to 14,901.09, 20,569.35 and 8,931.60 is: 12,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.09 : 20,569.35 = 8,931.60 : x
  2. Step 2: Convert to fraction form
    14,901.09/20,569.35 = 8,931.60/x
  3. Step 3: Cross multiply
    14,901.09x = 20,569.35 × 8,931.60
  4. Step 4: Simplify right side
    14,901.09x = 183,717,206.46
  5. Step 5: Solve for x
    x = 183,717,206.46/14,901.09
  6. Step 6: Final answer
    x = 12,329.11

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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.