Home / 14,970.40-22,444.80-9,779.20

Finding the Fourth Proportional to 14,970.40, 22,444.80 and 9,779.20

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Solution

The fourth proportional to 14,970.40, 22,444.80 and 9,779.20 is: 14,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.40 : 22,444.80 = 9,779.20 : x
  2. Step 2: Convert to fraction form
    14,970.40/22,444.80 = 9,779.20/x
  3. Step 3: Cross multiply
    14,970.40x = 22,444.80 × 9,779.20
  4. Step 4: Simplify right side
    14,970.40x = 219,492,188.16
  5. Step 5: Solve for x
    x = 219,492,188.16/14,970.40
  6. Step 6: Final answer
    x = 14,661.75

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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.