Home / 14,303.95-19,740.13-8,929.57

Finding the Fourth Proportional to 14,303.95, 19,740.13 and 8,929.57

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Solution

The fourth proportional to 14,303.95, 19,740.13 and 8,929.57 is: 12,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.95 : 19,740.13 = 8,929.57 : x
  2. Step 2: Convert to fraction form
    14,303.95/19,740.13 = 8,929.57/x
  3. Step 3: Cross multiply
    14,303.95x = 19,740.13 × 8,929.57
  4. Step 4: Simplify right side
    14,303.95x = 176,270,872.64
  5. Step 5: Solve for x
    x = 176,270,872.64/14,303.95
  6. Step 6: Final answer
    x = 12,323.23

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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.