Home / 19,303.84-28,970.32-14,123.08

Finding the Fourth Proportional to 19,303.84, 28,970.32 and 14,123.08

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Solution

The fourth proportional to 19,303.84, 28,970.32 and 14,123.08 is: 21,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.84 : 28,970.32 = 14,123.08 : x
  2. Step 2: Convert to fraction form
    19,303.84/28,970.32 = 14,123.08/x
  3. Step 3: Cross multiply
    19,303.84x = 28,970.32 × 14,123.08
  4. Step 4: Simplify right side
    19,303.84x = 409,150,146.99
  5. Step 5: Solve for x
    x = 409,150,146.99/19,303.84
  6. Step 6: Final answer
    x = 21,195.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.