Home / 13,877.95-19,152.02-7,590.32

Finding the Fourth Proportional to 13,877.95, 19,152.02 and 7,590.32

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Solution

The fourth proportional to 13,877.95, 19,152.02 and 7,590.32 is: 10,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.95 : 19,152.02 = 7,590.32 : x
  2. Step 2: Convert to fraction form
    13,877.95/19,152.02 = 7,590.32/x
  3. Step 3: Cross multiply
    13,877.95x = 19,152.02 × 7,590.32
  4. Step 4: Simplify right side
    13,877.95x = 145,369,960.45
  5. Step 5: Solve for x
    x = 145,369,960.45/13,877.95
  6. Step 6: Final answer
    x = 10,474.89

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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.