Home / 19,570.40-29,303.76-10,308.32

Finding the Fourth Proportional to 19,570.40, 29,303.76 and 10,308.32

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Solution

The fourth proportional to 19,570.40, 29,303.76 and 10,308.32 is: 15,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.40 : 29,303.76 = 10,308.32 : x
  2. Step 2: Convert to fraction form
    19,570.40/29,303.76 = 10,308.32/x
  3. Step 3: Cross multiply
    19,570.40x = 29,303.76 × 10,308.32
  4. Step 4: Simplify right side
    19,570.40x = 302,072,535.28
  5. Step 5: Solve for x
    x = 302,072,535.28/19,570.40
  6. Step 6: Final answer
    x = 15,435.17

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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.