Home / 14,977.04-20,668.10-8,931.47

Finding the Fourth Proportional to 14,977.04, 20,668.10 and 8,931.47

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Solution

The fourth proportional to 14,977.04, 20,668.10 and 8,931.47 is: 12,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.04 : 20,668.10 = 8,931.47 : x
  2. Step 2: Convert to fraction form
    14,977.04/20,668.10 = 8,931.47/x
  3. Step 3: Cross multiply
    14,977.04x = 20,668.10 × 8,931.47
  4. Step 4: Simplify right side
    14,977.04x = 184,596,367.11
  5. Step 5: Solve for x
    x = 184,596,367.11/14,977.04
  6. Step 6: Final answer
    x = 12,325.29

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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.