Home / 14,913.18-20,558.52-10,423

Finding the Fourth Proportional to 14,913.18, 20,558.52 and 10,423

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Solution

The fourth proportional to 14,913.18, 20,558.52 and 10,423 is: 14,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.18 : 20,558.52 = 10,423 : x
  2. Step 2: Convert to fraction form
    14,913.18/20,558.52 = 10,423/x
  3. Step 3: Cross multiply
    14,913.18x = 20,558.52 × 10,423
  4. Step 4: Simplify right side
    14,913.18x = 214,281,453.96
  5. Step 5: Solve for x
    x = 214,281,453.96/14,913.18
  6. Step 6: Final answer
    x = 14,368.60

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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.