Home / 30,925.48-46,390.80-9,868.56

Finding the Fourth Proportional to 30,925.48, 46,390.80 and 9,868.56

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Solution

The fourth proportional to 30,925.48, 46,390.80 and 9,868.56 is: 14,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,925.48 : 46,390.80 = 9,868.56 : x
  2. Step 2: Convert to fraction form
    30,925.48/46,390.80 = 9,868.56/x
  3. Step 3: Cross multiply
    30,925.48x = 46,390.80 × 9,868.56
  4. Step 4: Simplify right side
    30,925.48x = 457,810,393.25
  5. Step 5: Solve for x
    x = 457,810,393.25/30,925.48
  6. Step 6: Final answer
    x = 14,803.66

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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.