Home / 14,345.04-21,416.56-12,265.76

Finding the Fourth Proportional to 14,345.04, 21,416.56 and 12,265.76

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Solution

The fourth proportional to 14,345.04, 21,416.56 and 12,265.76 is: 18,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.04 : 21,416.56 = 12,265.76 : x
  2. Step 2: Convert to fraction form
    14,345.04/21,416.56 = 12,265.76/x
  3. Step 3: Cross multiply
    14,345.04x = 21,416.56 × 12,265.76
  4. Step 4: Simplify right side
    14,345.04x = 262,690,384.99
  5. Step 5: Solve for x
    x = 262,690,384.99/14,345.04
  6. Step 6: Final answer
    x = 18,312.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.